electromagnetic spectrum

Từ điển Oxford Learners Wordfinder Dictionary

noun

the entire frequency range of electromagnetic waves
• Hypernyms:
spectrum
• Part Meronyms:
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