onto

English Online Dictionary. What means onto‎? What does onto mean?

English

Alternative forms

• on to (UK, Ireland and Commonwealth countries including Canada, Australia, New Zealand, South Africa etc)

Etymology

From on +‎ to, after into. Compare Saterland Frisian antou (“up to”).

Pronunciation

• (stressed)
  • (UK) IPA^(key): /ˈɒn.tuː/
  • (US) IPA^(key): /ˈɔn.tu/
  • (Northern US or cot–caught merger) IPA^(key): /ˈɑn.tu/
• (UK) (unstressed, before consonants) IPA^(key): /ˈɒn.tə/
  • (US) (unstressed, before consonants) IPA^(key): /ˈɔn.tə/
  • (Northern US or cot–caught merger, unstressed form, before consonants) IPA^(key): /ˈɑn.tə/
• (UK) (unstressed, before vowels) IPA^(key): /ˈɒn.tʊ/
  • (US) (unstressed, before vowels) IPA^(key): /ˈɔn.tʊ/
  • (Northern US or cot–caught merger, unstressed form, before vowels) IPA^(key): /ˈɑn.tʊ/
• Hyphenation: on‧to

• Rhymes: (unstressed, before consonants) -ɒntə

Preposition

onto

1. Arriving upon or on top of (speaking of a physical or metaphorical movement).
2. (informal) Aware of.

3. (mathematics) Being an onto function with a codomain of (see below).

Derived terms

Translations

Adjective

onto (not comparable)

1. (mathematics, of a function) Attaining each of the values in its codomain; having its range equal to its codomain.

   Synonym: surjective

Translations

See also

• (mathematics): one-to-one, injective, bijective

See also

• unto

Anagrams

• Noto, Toon, noot, noto-, oont, tono-, toon

Mansaka

Etymology

From untu, from Proto-Malayo-Polynesian *quntu.

Noun

onto

1. tooth