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to bone up
01
to study or prepare intensively for something
Slang
Grammatical Information
Composition
phrasal
Action verb
Regular
Separable
Particle
up
Base verb
bone
Present tense
bone up
3rd person singular
bones up
Present participle
boning up
Past simple
boned up
Past participle
boned up
Examples
I need to bone up on chemistry before the test.
