semantic pointers
part meronym
radio frequency
extremely low frequency, ELF
very low frequency, VLF
low frequency, LF
medium frequency, MF
high frequency, HF
very high frequency, VHF
ultrahigh frequency, UHF
superhigh frequency, SHF
extremely high frequency, EHF
actinic radiation, actinic ray
gamma radiation, gamma ray
infrared spectrum
light, visible light, visible radiation
line
microwave
microwave spectrum
radio spectrum, radio-frequency spectrum
ultraviolet spectrum
visible spectrum, color spectrum
hypernym