[ suhm-eyt ]
/ ˈsʌm eɪt /

verb (used with object), sum·mat·ed, sum·mat·ing.

to add together; total; sum up.

Origin of summate

First recorded in 1895–1900; back formation from summation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for summate

  • They accumulate in time, finally they summate, and exercise their influence even at the beginning of the service.

Word Origin and History for summate



1900, Modern Latin summatus, past participle of summare "to sum" (see summation). Related: Summated; summating.

Online Etymology Dictionary, © 2010 Douglas Harper