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uprate

[uhp-reyt]
verb (used with object), up·rat·ed, up·rat·ing.
  1. to raise in rate, power, size, classification, etc.; upgrade: to uprate a rocket engine.

Origin of uprate

First recorded in 1965–70; up- + rate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for uprate

uprate

verb
  1. raise the value, rate, or size of, upgrade
  2. photog to increase the effective speed of (a film) by underexposing, usually up to two stops, and subsequently overdeveloping (pushing the processing)
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