revision
n.-
1 changing or improving (n.) B2 Upper Intermediatethe act of changing something to improve it or make it more accurate.
the process of amending, correcting, or improving a document, policy, or idea.
ExampleThe teacher asked for a revision of the essay to fix the grammar mistakes.
ExampleThe legal team suggested a thorough revision of the contract terms to ensure all parties were protected under the new regulations.
UsageOften used with the preposition 'of'.
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2 a new version (n.) B2 Upper Intermediatea new or updated version of something, like a book or a plan.
a specific version of a text or object that has been modified from the original.
ExampleThe latest revision of the software fixed the bugs from last month.
ExampleThe third revision of the textbook includes two additional chapters on digital marketing strategies.
UsageCountable in this sense.
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3 studying for exams (n.) B1 Intermediate British Englishthe work you do to prepare for an exam by looking at your notes again.
the process of reviewing previously learned material in preparation for an examination.
ExampleI have a lot of revision to do before my maths exam on Tuesday.
ExampleStudents are encouraged to begin their revision several weeks before the final assessments to avoid last-minute cramming.
UsageUsually uncountable when referring to the general activity of studying.
Teacher's tipThis is the most common sense in the UK and Australia; American students almost exclusively use 'review' for this activity.
PitfallI need to do some reviews for my history test.I need to do some revision for my history test.In British English, 'revision' is the standard term for studying old material before a test; 'review' is more common in American English.
Borrowed from French révision, from Latin revīsiō.
From re- + vision.