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British Dictionary definitions for read up

read up

verb
  1. (adverb when intr, often foll by on) to acquire information about (a subject) by reading intensively
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with read up

read up

Study or learn by reading, as in I don't know much about childhood illnesses, but I can always read up on them. [First half of 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.