infrared emission vs infrared light

infrared emission and infrared light both are nouns.

Word	Noun	Adjective	Verb	Adverb
infrared emission	Yes	No	No	No
infrared light	Yes	No	No	No

As nouns, infrared emission and infrared light are synonyms defined as:

infrared emission and infrared light: electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves

Other synonyms of infrared emission include infrared, infrared radiation.

infrared emission (noun)	infrared light (noun)
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves	electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves