harden off

harden something off

to accustom a young plant to normal weather so it can be moved from a protected environment to the out-of-doors. We put the plants by the open window to harden them off. We hardened off the plants.

Common Names:

Name	Pronounced	Usage
Leslie	LEZ-lee, LES-lee	English
CuÁN	-	Irish
Demi	-	Greek
Marilynn	MER-ə-lin, MER-lin, MAR-ə-lin, MAR-lin	English
Waldron	['wɔ:ldrən]
Marko	MAHR-ko (Finnish)	Ukrainian, Croatian, Serbian, Slovene, Bulgarian, Macedonian, Finnish, Basque