Dictionary
1onto
preposition on·to \ˈȯn-(ˌ)tü, ˈän-\
: 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
Full Definition of ONTO
1
: to a position on
2
: in or into a state of awareness about <put me onto your methods>
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>
See onto defined for English-language learners
See onto defined for kids
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First Known Use of ONTO
1581
2onto
adjective
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
ON TO Defined for Kids
onto
preposition on·to \ˈȯn-(ˌ)tü, ˈän-\
Definition of ONTO for Kids
: to a position on or against <I leaped onto the horse.>
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