Index: D
d'Alembert ratio test
DC, d.c.
DC circuit, d.c. circuit
DC isolation, d.c. isolation
damped (electrical) oscillator
damped oscillator
damped (mechanical) oscillator
damped oscillation
damping
damping coefficient
damping constant
damping force
data
daughter isotope
daughter nucleus
de Broglie hypothesis
de Broglie wave
de Broglie wavelength
Debye model
decay
decay channels
decay constant
deceleration
decibel, dB
decimal number
decimal places
decreasing function
definite integral
degeneracy
degenerate
degree, °
degree Celsius, °C
degree (of a differential equation)
degree (of a polynomial)
degrees of freedom
Demoivre's theorem
denominator
density
dependent error
dependent variable
depth of field
depth of focus
derivative
derived function
derived units
destructive interference
destructive superposition
determinism
deterministic system
deuterium
deuteron
deviation
diameter
diatomic ideal gas
dielectric
dielectric constant
difference
differential equation
differential operator
differentiation
diffraction
diffraction grating
diffraction pattern
diffuse reflection
diffusion
digit
dimension
dimensional analysis
dimensionless
dimensionless ratio
dimensions
diminished
dioptre
dipole
dipole moment
direct current
direct integration
directed line segment
direction (of a vector)
direction (of propagation)
direction cosines
direction ratios
directly proportional
directrix
disc
discharge tube
discrete (variable)
discriminant
dispersion
dispersion relation
dispersive power
displacement
displacement-time graph
dissipation
dissipative forces
dissociation
distance
distance-time graph
distant-action force
distribution
divergent (integral)
divergent sequence
divergent series
diverging lens
divisor
domain (of a function)
Doppler effect
dose equivalent
dot product
dots (...)
double angle formulae
double bond
double cone
double-argument identities
doublet
driven oscillations
driven oscillator
driving force
ductile region
dummy variable
dynamic equilibrium
dynamic friction
dynamics
dynamo
Copyright 1997, The Open University