onto
preposition
ˈän-\
Definition of onto
(Entry 1 of 2)
1 : to a position on We climbed onto the roof. Turn left onto Fifth Avenue.
2 : in or into a state of awareness about put me onto your methods was onto something that should have been pursued further— Bosley Crowther
3 —used as a function word to indicate a set each element of which is the image of at least one element of another set a function mapping the set S onto the set T
onto
adjectiveDefinition of onto (Entry 2 of 2)
: mapping elements in such a way that every element in one set is the image of at least one element in another set a function that is one-to-one and onto
Examples of onto in a Sentence
Preposition
We climbed onto the building's roof. The book fell onto the floor. The water spilled onto the floor. The cowboy leaped onto his horse. Transfer the data onto a disk. Turn left onto Third Street at the traffic light.
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More Definitions for onto
onto
preposition
English Language Learners Definition of onto
: to a position that is on (something, such as a surface, area, or object)
: in a direction that allows you to get to or see (something)
—used to say that someone knows about what someone is doing or has done
See the full definition for onto in the English Language Learners Dictionary
onto
preposition
ˈän-\
Kids Definition of onto
: to a position on or against I leaped onto the horse.
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Comments on onto
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