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Meaning of vernalize

ver•nal•ize

Pronunciation: (vûr'nl-īz"), [key]
— -ized, -iz•ing.
  1. to shorten the growth period of (a plant) by chilling or other special treatment of it, its seeds, or its bulbs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.