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Idioms and Phrases with on request

on request

When asked for, as in The agreement states that the rights on this book revert to the author on request. [c. 1800] Also see by request.

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