unit
"A unit of measurement is a standardized quantity of a physical quality." [Wikipedia:Wikipedia]
length unit
"A unit which is a standard measure of the distance between two points." [Wikipedia:Wikipedia]
mass unit
"A unit which is a standard measure of the amount of matter/energy of a physical object." [Wikipedia:Wikipedia]
time unit
"A unit which is a standard measure of the dimension in which events occur in sequence." [Wikipedia:Wikipedia]
time derived unit
electric current unit
"A unit which is a standard measure of the flow of electric charge." [Wikipedia:Wikipedia]
temperature unit
"A unit which is a standard measure of the average kinetic energy of the particles in a sample of matter." [Wikipedia:Wikipedia]
temperature derived unit
substance unit
"A unit which is a standardised quantity of an element or compound with uniform composition." [Wikipedia:Wikipedia]
luminous intensity unit
"A unit which is a standard measure of the wavelength-weighted power emitted by a light source in a particular direction." [Wikipedia:Wikipedia]
base unit
"A unit which is one of a particular measure to which all measures of that type can be related." [NIST:NIST]
prefix
area unit
"A unit which is a standard measure of the amount of a 2-dimensional flat surface." [UOC:GVG]
acceleration unit
"A unit which is a standard measure of the rate of change of velocity in either speed or direction." [Wikipedia:Wikipedia]
angular velocity unit
"A unit which is a standard measure of the rate of angular movement about an axis; the angle rotated in a given time." [Wikipedia:Wikipedia]
angular acceleration unit
"A unit which is a standard measure of the rate of change of angular velocity." [Wikipedia:Wikipedia]
concentration unit
"A unit which represents a standard measurement of how much of a given substance there is mixed with another substance." [UOC:GVG]
mass density unit
"A density unit which is a standard measure of the mass of a substance in a given volume." [UOC:GVG]
mass per unit volume
luminance unit
"A unit which is a standard measure of the luminous intensity impinging on a given area." [Wikipedia:Wikipedia]
area density unit
"A density unit which is a standard measure of the mass exerting an influence on a given area." [Wikipedia:Wikipedia]
mass per unit area unit
molar mass unit
"A unit which is a standard measure of the mass of a homogeneous substance containing 6.02 x 1023 atoms or molecules." [Wikipedia:Wikipedia]
molar volume unit
"A unit which is a standard measure of the volume of a homogeneous substance containing 6.02 x 1023 atoms or molecules." [Wikipedia:Wikipedia]
momentum unit
"A unit which is a standard measure of the quantity of motion measured by the product of mass and velocity." [Wikipedia:Wikipedia]
rotational frequency unit
"A unit which is a standard measure of the number of rotations in a given time." [NIST:NIST]
specific volume unit
"A unit which is a standard measure of the volume of a given mass of substance (the reciprocal of density)." [Wikipedia:Wikipedia]
speed/velocity unit
"A unit which is a standard measure of the rate of movement. Speed is measured in the same physical units of measurement as velocity, but does not contain the element of direction that velocity has. Speed is thus the magnitude component of velocity." [Wikipedia:Wikipedia]
unit of molarity
"A concentration unit which is a standard measure of the number of moles of a given substance per liter of solution." [UOC:GVG]
unit of molality
"A concentration unit which is a standard measure of the number of moles of a given substance per kilogram of solvent." [UOC:GVG]
unit of normality
"A unit of concentration which highlights the chemical nature of salts." [Wikipedia:Wikipedia]
volume unit
"A unit which is a standard measure of the amount of space occupied by any substance, whether solid, liquid, or gas." [NIST:NIST]
frequency unit
"A unit which is a standard measure of the number of repetitive actions in a particular time." [NIST:NIST]
force unit
"A unit which is a standard measure of the force is applied when a mass is accelerated." [NIST:NIST]
pressure unit
"A unit which is a standard measure of the force applied to a given area." [NIST:NIST]
energy unit
"A unit which is a standard measure of the work done by a certain force (gravitational, electric, magnetic, force of inertia, etc)." [NIST:NIST]
power unit
"A unit which is a standard measure power or the rate of doing work." [NIST:NIST]
illuminance unit
"A unit which is a standard measure of the luminous flux incident on a unit area." [Wikipedia:Wikipedia]
luminous flux unit
"A unit which is a standard measure of the flow of radiant energy." [Wikipedia:Wikipedia]
catalytic activity unit
"A unit which is a standard measure of the amount of the action of a catalyst." [NIST:NIST]
angle unit
"A unit which is a standard measure of the figure or space formed by the junction of two lines or planes." [Wikipedia:Wikipedia]
plane angle unit
"A unit which is a standard measure of the angle formed by two straight lines in the same plane." [Wikipedia:Wikipedia]
solid angle unit
"A unit which is a standard measure of the angle formed by three or more planes intersecting at a common point." [Wikipedia:Wikipedia]
radiation unit
"A unit which is a standard measure of the amount of radiation emitted by a given radiation source as well as the amount of radiation absorbed or deposited in a specific material by a radiation source." [OCRBS:OCRBS]
activity (of a radionuclide) unit
"A unit which is a standard measure of the transformation (disintegration) rate of a radioactive substance." [DEFRA:DEFRA]
absorbed dose unit
"A unit which is a standard measure of the energy imparted by ionizing radiation to unit mass of matter such as tissue." [DEFRA:DEFRA]
dose equivalent unit
"A unit which is a standard measure of the expression of dose in terms of its biological effect." [ORCBS:ORCBS]
exposure unit
"A unit which is a standard measure of the quantity that expresses the ability of radiation to ionize air and thereby create electric charges which can be collected and measured." [ORCBS:ORCBS]
irradiance unit
"A unit which is a standard measure of the power of electromagnetic radiation at a surface, per unit area." [Wikipedia:Wikipedia]
light unit
"A unit which is a standard measure of the intensity of light." [NIST:NIST]
radiant intensity unit
"A unit which is a standard measure of the intensity of electromagnetic radiation." [Wikipedia:Wikipedia]
radiance unit
"A unit which is a standard measure of the power of electromagnetic radiation through space or through a material medium in the form of electromagnetic waves." [Wikipedia:Wikipedia]
parts per notation unit
"A dimensionless concentration notation which describes the amount of one substance in another. It is the ratio of the amount of the substance of interest to the amount of that substance plus the amount of the substance." [Wikipedia:Wikipedia]
unit per volume unit
"A concentration unit which is a standard measure of the number of units, as an agreed arbitrary amount, of a given substance per a specific volume of solution." [Webmd:Webmd]
density unit
"A unit which is a standard measure of the influence exerted by some mass." [Wikipedia:Wikipedia]
linear density unit
"A density unit which is a standard measure of the mass exerting an influence on a one-dimensional object." [Wikipedia:Wikipedia]
dimensionless unit
"A unit which is a standard measure of physical quantity consisting of only a numerical number without any units." [Wikipedia:Wikipedia]
percent
"A dimensionless ratio unit which denotes numbers as fractions of 100." [Wikipedia:Wikipedia]
%
count unit
"A dimensionless unit which denotes a simple count of things." [MGED:MGED]
count
ratio
"A dimensionless unit which denotes an amount or magnitude of one quantity relative to another." [Wikipedia:Wikipedia]
fraction
"A dimensionless ratio unit which relates the part (the numerator) to the whole (the denominator)." [Wikipedia:Wikipedia]
cell concentration unit
"A concentration unit which denotes the average cell number in a given volume." [Bioedonline:Bioedonline]
catalytic (activity) concentration unit
"A concentration unit which is a standard measure of the amount of the action of a catalyst in a given volume." [UOC:GVG]
volume per unit volume
"A dimensionless concentration unit which denotes the given volume of the solute in the total volume of the resulting solution." [NIST:NIST]
colony forming unit per volume
"A concentration unit which a measure of viable bacterial numbers in a given volume." [Wikipedia:Wikipedia]
plaque forming unit per volume
"A concentration unit which a measure of plague forming units in a given volume." [UOC:GVG]
electric potential difference unit
"A unit which is a standard measure of the work done per unit charge as a charge is moved between two points in an electric field." [Wikipedia:Wikipedia]
electric charge
"A unit which is a standard measure of the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons." [WordNet:WordNet]
magnetic flux unit
"A unit which is a standard measure of quantity of magnetism, taking account of the strength and the extent of a magnetic field." [Wikipedia:Wikipedia]
magnetic flux density unit
"A unit which is a standard measure of the strength of a magnetic field." [allnet:allnet]
B
information unit
"A unit which is a standard measure of the amount of information." [Wikipedia:Wikipedia]
image resolution unit
"An information unit which is a standard measure of the detail an image holds." [Wikipedia:Wikipedia]
spatial resolution unit
"An image resolution unit which is a standard measure of the way luminance and chrominance may be sampled at different levels." [Wikipedia:Wikipedia]
surface tension unit
"A unit which is a standard measure of the ability of a liguid to attraction of molecules at its surface as a result of unbalanced molecular cohesive forces." [NIST:NIST]
viscosity unit
"A unit which is a standard measure of the internal resistance of fluids to flow." [UOC:GVG]
conduction unit
"A unit which represents a standard measurement of the transmission of an entity through a medium." [UOC:GVG]
electrical conduction unit
"A unit which represents a standard measurement of the movement of electrically charged particles through a transmission medium (electrical conductor)." [UOC:GVG]
heat conduction unit
"A unit which represents a standard measurement of the spontaneous transfer of thermal energy through matter, from a region of higher temperature to a region of lower temperature." [Wikipedia:Wikipedia]
electric field strength unit
"The electric field strength is a unit which is a measure of the potential difference between two points some distance apart." [Wikipedia:http\://en.wikipedia.org/wiki/Electric_field]
E-field strength
volumetric flow rate unit
"A unit which is a standard measure of the volume of fluid which passes through a given surface per unit time ." [Wikipedia:Wikipedia]
amount per container
"A concentration unit which is a standard measure of the amount of a substance in a given container." [UOC:GVG]
ug/disk
"A unit which is equal to one microgram per disk, where a disk is some physical surface/container upon which the substance is deposited." [UOC:MD]
nmole/disk
"A unit which is equal to one nanomole per disk, where a disk is some physical surface/container upon which the substance is deposited." [UOC:MD]
rate unit
"A unit which represents a standard measurement occurrence of a process per unit time." [UOC:GVG]
yotta
"A prefix in the metric system denoting a factor of ten to the power of 24." [UO:GVG]
10^[24]
Y
hecto
"A prefix in the metric system denoting a factor of one hundred." [UO:GVG]
10^[2]
h
zetta
"A prefix in the metric system denoting a factor of ten to the power of 21." [UO:GVG]
10^[21]
Z
exa
"A prefix in the metric system denoting a factor of ten to the power of 18." [UO:GVG]
10^[18]
E
peta
"A prefix in the metric system denoting a factor of ten to the power of 15." [UO:GVG]
10^[15]
P
tera
"A prefix in the metric system denoting a factor of ten to the power of 12." [UO:GVG]
10^[12]
T
giga
"A prefix in the metric system denoting a factor of ten to the power of 9." [UO:GVG]
10^[9]
G
mega
"A prefix in the metric system denoting a factor of million." [UO:GVG]
10^[6]
M
kilo
"A prefix in the metric system denoting a factor of one thousand." [UO:GVG]
10^[3]
k
deca
"A prefix in the metric system denoting a factor of ten." [UO:GVG]
10^[1]
da
deci
"A prefix in the metric system denoting a factor of one tenth." [UO:GVG]
10^[-1]
d
milli
"A prefix in the metric system denoting a factor of one thousand." [UO:GVG]
10^[-3]
m
centi
"A prefix in the metric system denoting a factor of one hundred." [UO:GVG]
10^[-2]
c
micro
"A prefix in the metric system denoting a factor of 10 to the power of -6." [UO:GVG]
10^[-6]
nano
"A prefix in the metric system denoting a factor of 10 to the power of -9." [UO:GVG]
10^[-9]
n
pico
"A prefix in the metric system denoting a factor of 10 to the power of -12." [GVG:UO]
10^[-12]
n
femto
"A prefix in the metric system denoting a factor of 10 to the power of -15." [UO:GVG]
10^[-15]
f
atto
"A prefix in the metric system denoting a factor of 10 to the power of -18." [UO:GVG]
10^[-18]
a
zepto
"A prefix in the metric system denoting a factor of 10 to the power of -21." [UO:GVG]
10^[-21]
z
yocto
"A prefix in the metric system denoting a factor of 10 to the power of -24." [UO:GVG]
10^[-24]
y
dose unit
"A concentration unit which is a standard measure of the amount of a toxic or pharmaceutical substance administered to a recipient subject, expressed in terms of the size of the subject." [UO:PC]
turbidity unit
"A unit used to indicate the clarity of water or other solutions or suspensions, as measured by the ability of the solution or suspension to scatter light of a defined wavelength range." [UO:PC]
cells per microliter
"A unit of cell concentration which is equal to one cell in a volume of 1 microliter." [UO:GVG]
cells per microlitre
cells per ul
cells per well
"A unit of cell concentration which is equal to 1 cell in a well or discrete container of arbitrary volume." [UO:PC]
formazin nephelometric unit
"1000 formazin turbidity units (FNU) on the empirical formazin turbidity scale represents reflectance of insol. reaction products of 0.0725 g hydrazine sulfate with 0.7250 g hexamethylenetetramine diluted to 1 L." [AOAC:192]
FNU
radioactivity concentration
"A concentration unit which is a standard measure of the amount of radioactivity in a given volume." [UO:GVG]
curie per liter
"A unit of radioactivity concentration which is equal to one curie in a volume of 1 liter." [UO:GVG]
curie per litre
microcurie per milliliter
"A unit of radioactivity concentration which is equal to one micro curie in a volume of 1 liter." [UO:GVG]
microcurie per millilitre
fold dilution
"A unit that is the ratio of concentration of two solutions of interest, typically with one solution derived from the other by the addition of solvent." [UO:PC]
ton per hectare
"An area density unit which is equal to the mass of an object in tons divided by the surface area in hectares." [UO:GVG]
square angstrom
"An area unit which is equal to an area enclosed by a square with sides each 1 angstrom long." [UOC:GVG]
A^[2]
kilo base pair
"A unit equal to one thousand base pairs." [UOC:GVG]
kbp
kilobasepair
gigabyte
"An information unit which is equal to 1000000000 bytes." [UO:GVG]
GB
terabyte
"An information unit which is equal to 1000 gigabytes." [UO:GVG]
TB
ratio
"A dimensionless ratio unit which, given a pair of quantities a and b, for which b is a multiple of a, denotes b by giving the multiplier (coefficient) c for a to result in b." [UOB:LKSR]
volt-second per square centimeter
"An electrical mobility unit which is equal to one volt second per square centimeter." [UOB:LKSR]
Vs/cm^2
volt-second per square centimetre
united states customary teaspoon
"A United States customary units teaspoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 4.93 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
us customary teaspoon
tablespoon
"A metric tablespoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 15mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Tablespoon]
metric tablespoon
tbsp
australian metric tablespoon
"An Australian metric tablespoon is a unit of measurement of volume used in Australia for cooking recipes and pharmaceutic prescriptions. It equals a 20mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Tablespoon]
united states customary tablespoon
"A United States customary units tablespoon is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 14.79 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
us customary tablespoon
metric cup
"A metric cup is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions. It equals a 250mL volume." [Wikipedia:https://en.wikipedia.org/wiki/Cooking_weights_and_measures]
C
united states customary cup
"A United States customary units cup is a unit of measurement of volume widely used in cooking recipes and pharmaceutic prescriptions in America. It equals a 236.59 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
us customary cup
united states fda cup
"A United States FDA cup is a unit of measurement of volume used by the US Federal Department of Agriculture as a nutritional serving measure. It equals a 240 mL volume." [Wikipedia:https://en.wikipedia.org/wiki/United_States_customary_units#Cooking_measures]
us fda cup
pounds per square inch
"A pressure unit which is equal to 6894.757 pascal." [Wikipedia:Wikipedia]
lbf/in^[2]
psi
meter based unit
second based unit
ampere based unit
kelvin based unit
mole based unit
candela based unit
angstrom based unit
gram based unit
degree Celsius based unit
minute based unit
hour based unit
day based unit
week based unit
month based unit
year based unit
molar based unit
molal based unit
normal based unit
mole fraction based unit
meter per second per second based unit
radian per second per second based unit
radian per second based unit
square meter based unit
square centimeter based unit
square millimeter based unit
gram per cubic centimeter based unit
candela per square meter based unit
gram per mole based unit
cubic meter per mole based unit
cubic centimeter per mole based unit
turns per second based unit
cubic meter per kilogram based unit
meter per second based unit
cubic meter based unit
cubic centimeter based unit
liter based unit
cubic decimeter based unit
hertz based unit
newton based unit
pascal based unit
joule based unit
watt based unit
lux based unit
lumen based unit
katal based unit
radian based unit
steradian based unit
becquerel based unit
curie based unit
gray based unit
rad based unit
roentgen based unit
sievert based unit
Roentgen equivalent man based unit
disintegrations per minute based unit
counts per minute based unit
century based unit
half life based unit
foot candle based unit
watt per square meter based unit
einstein per square meter per second based unit
watt per steradian per square meter based unit
watt per steradian based unit
mass percentage based unit
mass volume percentage based unit
volume percentage based unit
parts per hundred based unit
parts per thousand based unit
parts per million based unit
parts per billion based unit
parts per trillion based unit
parts per quadrillion based unit
gram per milliliter based unit
gram per liter based unit
unit per milliliter based unit
unit per liter based unit
mass per unit volume based unit
enzyme unit based unit
degree based unit
pi based unit
molecule count based unit
purity percentage based unit
confluence percentage based unit
degree Fahrenheit based unit
pH based unit
liter per kilogram based unit
cells per milliliter based unit
katal per cubic meter based unit
katal per liter based unit
gram per deciliter based unit
colony forming unit based unit
plaque forming unit based unit
colony forming unit per milliliter based unit
plaque forming unit per milliliter based unit
disintegrations per second based unit
volt based unit
coulomb based unit
dalton based unit
watt-hour based unit
weber based unit
tesla based unit
volt-hour based unit
bit based unit
byte based unit
chroma sampling unit based unit
dynamic range unit based unit
dots per inch based unit
pixels per inch based unit
pixels per millimeter based unit
base pair based unit
kibibyte based unit
mebibyte based unit
newton per meter based unit
dyne per cm based unit
pascal second based unit
poise based unit
effective dose unit based unit
siemens based unit
watt per meter kelvin based unit
electronvolt based unit
volt per meter based unit
absorbance unit based unit
count per nanomolar second based unit
count per molar second based unit
count per nanomolar based unit
count per molar based unit
dosage unit based unit
relative light unit based unit
relative luminescence unit based unit
relative fluorescence unit based unit
square micrometer based unit
hectare based unit
inch based unit
thou based unit
foot based unit
yard based unit
chain based unit
furlong based unit
mile based unit
league based unit
maritime length unit based unit
fathom based unit
cable based unit
nautical mile based unit
perch based unit
rood based unit
acre based unit
fluid ounce based unit
gill based unit
pint based unit
quart based unit
gallon based unit
grain based unit
drachm based unit
ounce based unit
pound based unit
stone based unit
quarter based unit
hundredweight based unit
ton based unit
slug based unit
teaspoon based unit
gram per square meter based unit
large calorie based unit
gray per minute based unit