gos·sy·pol

[gos-uh-pawl, -pol]
noun
a toxic pigment, C 30 H 30 O 8 , derived from cottonseed oil, made nontoxic by heating, presently under study as a potential male contraceptive and antimicrobial.

Origin:
1895–1900; < Neo-Latin Gossyp(ium) (see gossypose) + -ol1

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Collins
World English Dictionary
gossypol (ˈɡɒsɪˌpɒl) [Click for IPA pronunciation guide]
 
n
a toxic crystalline pigment that is a constituent of cottonseed oil
 
[C19: from Modern Latin gossypium cotton plant + -ol1]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Gossypol is always a great word to know.
So is lollapalooza. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
American Heritage
Medical Dictionary

gossypol gos·sy·pol (gŏs'ə-pôl', -pōl')
n.
A toxic pigment obtained from cottonseed oil and detoxified by heating, shown to inhibit sperm production.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
We also tested whether insect mortality and fitness costs were affected by the cotton phytochemical gossypol.
Remove the gossypol, however, and you'd have a cheap and abundant form of protein for everyone.
Determine gossypol solubility in acetone as a function of temperature and the solute crystal form.
However, all contain gossypol, a naturally occurring toxin produced by the cotton plant.
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