gas burner vs bunsen

gas burner and bunsen both are nouns.

Word	Noun	Adjective	Verb	Adverb
gas burner	Yes	No	No	No
bunsen	Yes	No	No	No

As nouns, bunsen is a hyponym of gas burner; that is, bunsen is a word with a more specific, narrower meaning than gas burner:

gas burner: burner such that combustible gas issues from a nozzle to form a steady flame
bunsen: a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air

Other hyponyms of gas burner include bunsen burner, etna, gas ring, pilot, pilot burner, pilot light.

gas burner (noun)	bunsen (noun)
burner such that combustible gas issues from a nozzle to form a steady flame	a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air