retinal cone

Medical Dictionary

retinal cone n.
See cone cell.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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WordNet
retinal cone

noun
a visual receptor cell in the retina that is sensitive to bright light and to color [syn: cone
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Retinal cone is always a great word to know.
So is doohickey. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a gadget; dingus; thingumbob.
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