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Definition of onto
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
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Examples of onto in a Sentence
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.
First Known Use of onto
1581
onto
Definition of onto
: 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
First Known Use of onto
1942
ONTO Defined for English Language Learners
onto
playDefinition of onto for English Language Learners
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: to a position that is on (something, such as a surface, area, or object)
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: in a direction that allows you to get to or see (something)
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—used to say that someone knows about what someone is doing or has done
ONTO Defined for Kids
onto
playDefinition of onto for Students
: to a position on or against I leaped onto the horse.
Learn More about onto
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Spanish Central: Translation of onto Nglish: Translation of onto for Spanish speakers Britannica English: Translation of onto for Arabic speakers
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