BONE UP ON (SOMETHING)


Meaning of BONE UP ON (SOMETHING) in English

bone up on something phrasal verb ( see also ↑ bone )

to learn as much as you can about a subject, because you need the knowledge, for example for an examination:

I have to bone up on criminal law for a test next week.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.