[ prĕg′nān-dī′ōn ]
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An unsoluble metabolite of progesterone formed in relatively small quantities and occurring in either of two isomeric configurations: alpha or beta.
QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”
Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?
Words nearby pregnanedione
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.