physical quantity
quantitative characterization of an aspect of a physical entity, phenomenon, event, process, transformation, relation, system, or substance
curvature
inverse of the radius of curvature
ecological footprint
individual's or a group's human demand on nature
vis viva
physical quantity, historically invented by G. Leibniz, equivalent to (in modern terminology) twice the kinetic energy
exposure
electric charge of ions produced in air by X- or gamma radiation per mass of air, when all liberated electrons are completely stopped
shear rate
time derivative of shear strain
tonnage
measure of the cargo-carrying volumetric capacity of a ship
electric flux
surface integral of the electric flux density; measured in coulombs
susceptance
imaginary part of the admittance
linear density
measure of a quantity of any characteristic value per length
dioptric power
physical quantity
stiffness
rigidity of an object
luminous exposure
incident luminous energy per area
impulse
integral of a force over the time interval for which it acts; term in classical mechanics
bending moment of force
moment that results in the bending of a structural element
electricity price
electricity prices and rates
enthalpy change of solution
enthalpy of Solution
probability density current
quantity describing the flow of probability per unit time per unit area
face value
value of a coin, stamp or paper money, as printed on the coin, stamp or bill itself by the minting authority
intensity
power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy
volume flow rate
volume of fluid which passes per time
divergence
physical quantity
angular measure
measure for how wide an angle is
potential vorticity
simplified approach for understanding fluid motions in a rotating system
seismic moment
product of the shear modulus, area of rupture along the fault, and the average slip
specific storage
the amount of water that a portion of an aquifer releases from storage, per unit mass or volume of aquifer, per unit change in hydraulic head
gravitational potential
scalar potential that describes a gravitational field
drag coefficient
dimensionless parameter to quantify fluid resistance
charge number
for a particle, quotient of its electric charge and the elementary charge
magnetic polarization
product of the magnetic constant and the magnetization
section modulus
concept in structural analysis
g-factor
relation between observed magnetic moment of a particle and the related unit of magnetic moment
dispersity
measure of heterogeneity of particle or molecular sizes
linear strain
relative change of length with respect the original length
eccentric anomaly
angular parameter that defines the position of a body that is moving along an elliptic Kepler orbit.; one of three angular parameters ("anomalies") that define a position along an orbit, the other two being the true anomaly and the mean anomaly
duration
physical quantity for describing the temporal distance between events
sound energy density
time-averaged sound energy in a volume
sound pressure reflection coefficient
ratio of reflected to incident sound pressure
specific energy
physical quantity representing energy content per unit mass
fluidity
reciprocal of the dynamic viscosity
extensive quantity
additively-composing quantitative physical property
torsion constant
geometrical property of a bar’s cross-section
orbital inclination
angle between a reference plane and the plane of an orbit
energy flux
rate of transfer of energy through a surface
electron mobility
characterizes how quickly an electron can move through a metal or semiconductor, when pulled by an electric field
magnetic diffusivity
a parameter in plasma physics
magnetic tension force
restoring force on bent magnetic field lines
discharge
volume flow rate of water that is transported through a given cross-sectional area
spectrum
Degree of pitch of a sound or note played by a musical instrument