EnglishEspañolFrançaisDeutschItalianoPortuguêsРусский日本語한국어العربيةहिन्दीTürkçe
🔍

Onto

Preposition

Definitions

1.PrepositionArriving upon or on top of (speaking of a physical or metaphorical movement).
"My cat just jumped onto the keyboard.; A new drug has just come onto the market."
2.PrepositionAware of.
"The thought-police were onto my plans of world domination."
3.PrepositionBeing 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."
4.AdjectiveAttaining each of the values in its codomain; having its image equal to its codomain.
"Considered as a function on the real numbers, the exponential function is not onto, as it never takes on values less than or equal to zero."
🔗 Find words with "onto" in A2Z Word Finder
The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.
Free forever · unsubscribe anytime · all 14 newsletters
That email did not go through — please check it and try again.