intensive quantity
system's or substance's quantitative property that does not scale with the size or amount of the system or substance
temperature
physical property of matter that quantitatively expresses the common notions of hot and cold
humidity
amount of water vapor in the air
limiting oxygen concentration
Concentration of oxygen below which combustion is not possible
molar quantity
class of intensive physical quantities measured per amount of substance
concentration
type of physical property; the abundance of a constituent divided by the total volume of a mixture
relative density
ratio of the density (mass per volume) of a substance to the density of a given reference material
volumetric number density
count per volume
chemical potential
intensive physical property
molar heat capacity
intensive quantity, heat capacity per amount of substance
homologous temperature
temperature of a material as a fraction of its absolute melting point
particle concentration
particles of a given species per volume
molar entropy
entropy per amount of substance
activity
measure of the effective concentration of a species in a mixture
molar volume
volume per amount of substance
specific heat capacity
intensive quantity, heat capacity per mass
energy density
physical quantity representing the energy per volume
specific enthalpy
enthalpy per mass
pressure
force applied over an area
electrical resistivity
physical quantity and property of material; inverse of the electric conductivity
data density
measure of the quantity of information bits that can be stored on a given length of track, area of surface, or in a given volume of a computer storage medium
population density
in ecology, size of a population in relation to the considered area
specific volume
ratio of a substance's volume to its mass
charge density
electric charge per volume, length or area
hardness
measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied
specific quantity
class of intensive physical quantities measured per mass
mass density
mass of a sample, material or body divided by its volume
viscosity
resistance of a fluid to shear deformation
force density
force per volume
electrical resistivity and conductivity
measure of a substance's ability to resist or conduct electric current
linear density
measure of a quantity of any characteristic value per length
bulk density
overall density of a granular material, with void space included in the denominator
fluidity
reciprocal of the dynamic viscosity
volume viscosity
material property relevant for characterizing fluid flow