torchlight vs visible radiation

torchlight and visible radiation both are nouns.

Word	Noun	Adjective	Verb	Adverb
torchlight	Yes	No	No	No
visible radiation	Yes	No	No	No

As nouns, visible radiation is a hypernym of torchlight; that is, visible radiation is a word with a broader meaning than torchlight:

torchlight: light from a torch or torches
visible radiation: (physics) electromagnetic radiation that can produce a visual sensation

Other hypernyms of torchlight include light, visible light.

torchlight (noun)	visible radiation (noun)
light from a torch or torches	(physics) electromagnetic radiation that can produce a visual sensation