chlorophyll d vs chlorophyll

chlorophyll d and chlorophyll both are nouns.

Word	Noun	Adjective	Verb	Adverb
chlorophyll d	Yes	No	No	No
chlorophyll	Yes	No	No	No

As nouns, chlorophyll is a hypernym of chlorophyll d; that is, chlorophyll is a word with a broader meaning than chlorophyll d:

chlorophyll d: the chlorophyll found (together with chlorophyll a) in red algae
chlorophyll: any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms

Other hypernyms of chlorophyll d include chlorophyl.

chlorophyll d (noun)	chlorophyll (noun)
the chlorophyll found (together with chlorophyll a) in red algae	any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms