Meaning

• (usually academic) To review materials already learned in order to make sure one does not forget them, usually in preparation for an examination.

  "I need to study my biology notes."

• (academic) To take a course or courses on a subject.

  "I study medicine at the university."

• To acquire knowledge on a subject with the intention of applying it in practice.

  "Biologists study living things."

• To look at minutely.

  "He studied the map in preparation for the hike."

• To fix the mind closely upon a subject; to dwell upon anything in thought; to muse; to ponder.

• To endeavor diligently; to be zealous.