circumnutation Hear it!

circumnutation definition

cir·cum·nu·ta·tion (-nyo̵̅o̅ tā′s̸hən)

noun

Bot. the irregular spiral or elliptical rotation of the apex of a growing stem, root, or shoot, caused by differences in the rate of growth of the opposite sides

Etymology: circum- + nutation

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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