ketosteroid

ke·tos·ter·oid

[ki-tos-tuh-roid]
noun Biochemistry.
any of a group of steroids containing a ketone group.

Origin:
1935–40; keto- + steroid

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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WordNet
ketosteroid

noun
a steroid containing a ketone group 
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Ketosteroid is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a chattering or flighty, light-headed person.
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