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[vur-nl-ahyz] /ˈvɜr nlˌaɪz/
verb (used with object), vernalized, vernalizing.
to shorten the growth period of (a plant) by chilling or other special treatment of it, its seeds, or its bulbs.
Origin of vernalize
1820-30; vernal + -ize
Related forms
vernalization, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for vernalize
  • At that time they were placed outdoors, where they were left through the winter so the cold would effectively vernalize them.
  • Clone, vernalize and intercross tall fescue parents that differ in stem rust resistance.
British Dictionary definitions for vernalize


to subject ungerminated or germinating seeds to low temperatures, which is essential for many (plants) of temperate environments to ensure germination in some species and flowering in others
Derived Forms
vernalization, vernalisation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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