an act or instance of phasing out; planned discontinuation or expiration.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use phaseout in a sentence
To that end, the budget postpones federal phase-out of incandescent electric bulbs.
U.S. policy since 2007 has been to phase out incandescent light bulbs.
The phase-out of incandescent light bulbs began with the 75- and 100-watt bulbs.Why You Should Give LED Light Bulbs for Christmas. Seriously. | Daniel Gross | December 4, 2013 | THE DAILY BEAST
Let's phase out the government's role in propping up big sugar, and while we're at it, perhaps ethanol as well?
Before we increase rates, let's phase out every possible deduction.
The trust fund will start to phase out, eventually to disappear, and the excise taxes will be turned over to the States.
I am going to extend your contract until phase-out has been completed.The Lani People | J. F. Bone
British Dictionary definitions for phase out
(tr, adverb) to discontinue or withdraw gradually
the action or an instance of phasing out: a phase-out of conventional forces
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