visual cell vs cone

visual cell and cone both are nouns.

Word	Noun	Adjective	Verb	Adverb
visual cell	Yes	No	No	No
cone	Yes	No	Yes	No

As nouns, cone is a hyponym of visual cell; that is, cone is a word with a more specific, narrower meaning than visual cell:

visual cell: one of the cells of the retina that is sensitive to light
cone: a visual receptor cell in the retina that is sensitive to bright light and to color

Other hyponyms of visual cell include cone cell, retinal cone, retinal rod, rod, rod cell.

visual cell (noun)	cone (noun)
one of the cells of the retina that is sensitive to light	any cone-shaped artifact
	a visual receptor cell in the retina that is sensitive to bright light and to color
	cone-shaped mass of ovule- or spore-bearing scales or bracts
	a shape whose base is a circle and whose sides taper up to a point

visual cell (verb)	cone (verb)
	make cone-shaped