Resources
This information is meant to be a guide as to whether a given variable should be italicized or not and to help provide you with its most common definition. Query the author to verify the definition of any author-undefined variable.
Entries highlighted in yellow do not require explicit definition in a manuscript.
Variable | Common Definition |
---|---|
Variables that should be set in Roman type | |
α | statistic |
β | binding coefficient |
δ | derivative |
ε | strain |
μ | viscosity |
ν | velocity |
σ | stress |
τ | time constant |
b | binding coefficient |
C | concentration |
d | derivative |
D | diffusion |
F | flow, fraction, force, fluorescence |
I | intensity |
P | pressure |
T | temperature |
V | volume, consumption |
W | work |
Variables that should be italicized | |
A | area, amplitude, absorbance |
C | compliance, capacitance, circumference |
d | diameter |
e | exponent |
E | elastance, potential |
f | function, flux, frequency |
F | Faraday's constant |
g | conductance |
G | conductance |
h | height |
i | general variable |
I | current |
j | flux, general variable |
J | flux |
k | constant |
K | constant |
l | length |
m | slope, mass |
n | number |
N | number |
P | probability |
r | statistic, radius |
R | statistic, resistance, gas constant |
t | time |
v | velocity |
V | velocity, voltage |
w | width |
x | general variable, axis |
y | general variable, axis |
z | axis, ion valence |
Z | impedence |