[ grey-deyt ]
/ ˈgreɪ deɪt /
verb (used without object), gra·dat·ed, gra·dat·ing.
to pass by gradual or imperceptible degrees, as one color into another.
verb (used with object), gra·dat·ed, gra·dat·ing.
to cause to gradate.
to arrange in grades.
Origin of gradate
First recorded in 1745–55; back formation from gradation
Related formsre·gra·date, verb, re·gra·dat·ed, re·gra·dat·ing.un·gra·dat·ed, adjectiveun·gra·dat·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for gradate
/ (ɡrəˈdeɪt) /
to change or cause to change imperceptibly, as from one colour, tone, or degree to another
(tr) to arrange in grades or ranks
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
Word Origin and History for gradate
1753, back-formation from gradation. Related: Gradated; gradating.
Online Etymology Dictionary, © 2010 Douglas Harper