bone up

listen to the pronunciation of bone up
English - English
To study or cram, especially in order to refresh one's knowledge of a topic

Now is the perfect time to bone up on your fashion history.

cram, study hard and fast before an exam
study intensively, as before an exam; "I had to bone up on my Latin verbs before the final exam"
bone up on
(deyim) To study hard, usually in preparation for a test
bone up
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