AF
CPS
Dalmatian
EHF
HF
Hz
Indian file
MF
Maxwell triangle
Munsell scale
RF
SHF
UHF
VHF
VLF
afterimage
antigorite
apparition
array
articulation
audio frequency
bank
bogey
butterfly
buzz
candy cane
carrier frequency
carry
catena
catenation
chain
chain reaction
chaining
chameleon
cheetah
chromatic circle
chromatic spectrum
chromaticity diagram
chrysotile
color circle
color cycle
color index
color mixture curve
color solid
color spectrum
color system
color triangle
compass
complementary color
concatenation
light
ocular spectrum
spectra
spectroscope
ambit
orbit
range
reach
scope
spectral
beam
characteristic
component
density
detector
emission
frequency
intensity
measurement
output
phase
phenomenon
profile
pulse
radiation
sequence
transmission
wavelength