Onto

Quick meaning: Onto is a preposition meaning Arriving upon or on top of (speaking of a physical or metaphorical movement).

Meaning

Arriving upon or on top of (speaking of a physical or metaphorical movement).

More Meanings

1. (informal) Aware of.
2. (mathematics) Being an onto function with a codomain of (see below).
3. (mathematics, of a function) Attaining each of the values in its codomain; having its image equal to its codomain.

Example Sentences

My cat just jumped onto the keyboard.

A new drug has just come onto the market.

The thought-police were onto my plans of world domination.

The exponential function maps the set of real numbers onto the set of positive real numbers.

Word Forms

• on to

Synonyms for onto

Depending on context, synonyms include surjective.

Antonyms for onto

Common opposites include off.

Related Words

Related dictionary entries include preposition, south, into, after, within, about.

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