- Also surjective. Mathematics. pertaining to a function or map from one set to another set, the range of which is the entire second set.
Origin of onto
- a combining form meaning “being,” used in the formation of compound words: ontogeny.
Origin of onto-
Examples from the Web for onto
I was sick in street gutters, onto my desk, at dinners with friends.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003
January 7, 2015
Army B-squad players who fail to make it onto the varsity team after a year or two usually quit football.A West Point MVP Who Never Played a Down
December 13, 2014
Still others attempted to turn the focus away from Jackie onto the magazine that credulously told her story.What the U-VA Rape Case Tells Us About a Victim Culture Gone Mad
December 6, 2014
But I say onto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.Keep Christmas Commercialized!
P. J. O’Rourke
December 6, 2014
To carry his voice forward, onto the streets of New York and D.C. and Chicago and elsewhere.The Day I Used Eric Garner’s Voice
December 5, 2014
He tossed them onto the table, and Hal Dozier rolled his smoke in silence.Way of the Lawless
If you'd been onto your job, things would have been smooth as silk.Chip, of the Flying U
B. M. Bower
But it must be something new, or we should have got onto it.It Happened in Egypt
C. N. Williamson
With a word of farewell, he climbed out of the cockpit and onto a wing.The Solar Magnet
Sterner St. Paul Meek
I can mention his name now without Ketury's landin' onto me like a snowslide.Cy Whittaker's Place
Joseph C. Lincoln
- to a position that is onstep onto the train as it passes
- having become aware of (something illicit or secret)the police are onto us
- into contact withget onto the factory
- existence or beingontogeny; ontology
Word Origin and History for onto
word-forming element meaning "a being, individual; being, existence," from Greek onto-, from stem of on (genitive ontos) "being," neuter present participle of einai "to be" (see essence).
- Organism; being:ontogeny.