onto

Pronunciation Preposition

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Pronunciation Preposition

- Upon; on top of.
*My cat just jumped***onto**the keyboard.

- (
*informal*) Aware of.*The thought-police were***onto**my plans of world domination.

- (
*mathematics*) Being an onto function with a codomain of (see below).*The exponential function maps the set of real numbers***onto**the set of positive real numbers.

**onto** (*not comparable*)

- (
*mathematics, of a function*) Assuming each of the values in its codomain; having its range equal to its codomain.*Considered as a function on the real numbers, the exponential function is not***onto**.

- (
*mathematics*) surjective

This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.014