Rubus spectabilis
— Noun
– English
～ large erect red-flowered raspberry of western North America having large pinkish-orange berries
radio-frequency spectrum
— Noun
– English
～ the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
radio spectrum
— Noun
– English
～ the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television