rhi·zop·ter·in | \ rīˈzäptərə̇n \
Definition of rhizopterin
: a pale yellow crystalline aldehydo amino acid C15H12N6O4 obtained in the fumaric acid fermentation by a black mold (Rhizopus nigricans) that promotes the growth of several streptococci : a formyl derivative of pteroic acid
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
Words Named After People
Find out who’s behind "leotard," "morphine," an...
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...