dimethyl ketone vs dissolvent

dimethyl ketone and dissolvent both are nouns.

Word	Noun	Adjective	Verb	Adverb
dimethyl ketone	Yes	No	No	No
dissolvent	Yes	No	No	No

As nouns, dissolvent is a hypernym of dimethyl ketone; that is, dissolvent is a word with a broader meaning than dimethyl ketone:

dimethyl ketone: the simplest ketone; a highly flammable liquid widely used as an organic solvent and as material for making plastics
dissolvent: a liquid substance capable of dissolving other substances

Other hypernyms of dimethyl ketone include ketone, dissolver, dissolving agent, resolvent, solvent.

dimethyl ketone (noun)	dissolvent (noun)
the simplest ketone; a highly flammable liquid widely used as an organic solvent and as material for making plastics	a liquid substance capable of dissolving other substances