Semenov[sim yô′nəf; Russ syi myô′nəf]
Semenov definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Semenov, Nikolai (Nikolaevich) 1896-1986; Russ. chemist
Semenov definition by American Heritage Dictionary
, Nikolai Nikolayevich 1896-1986.
Soviet chemist. He shared a 1956 Nobel Prize for research on the kinetics of chemical reactions.