WordReference Random House Unabridged Dictionary of American English © 2026
ver•nal•ize
(vûr′nl īz′),USA pronunciation v.t., -ized, -iz•ing.
ver′nal•i•za′tion, n.
- to shorten the growth period of (a plant) by chilling or other special treatment of it, its seeds, or its bulbs.
- vernal + -ize 1820–30