lock in

Definitions of lock in
1

v close with or as if with a tight seal

“This vacuum pack locks in the flavor!”
Synonyms:
seal in
Type of:
confine
prevent from leaving or from being removed

v place in a place where something cannot be removed or someone cannot escape

Synonyms:
lock, lock away, lock up, put away, shut away, shut up
Type of:
confine
prevent from leaving or from being removed

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