to shorten the growth period of (a plant) by chilling or other special treatment of it, its seeds, or its bulbs.
- Also especially British, ver·nal·ise .
- ver·nal·i·za·tion, noun
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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
- vernalization or vernalisation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012