What does onto mean?

Definitions for ontoˈɒn tu, ˈɔn-; unstressed ˈɒn tə, ˈɔn-

Here are all the possible meanings and translations of the word onto.


  1. onto(Adjective)

    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.

  2. onto(Preposition)

    Upon; on top of.

    My cat just jumped onto the keyboard.

  3. onto(Preposition)

    Aware of.

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

  4. onto(Preposition)

    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.

Suggested Resources

  1. ONTO

    What does ONTO stand for? -- Explore the various meanings for the ONTO acronym on the Abbreviations.com website.

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'onto' in Spoken Corpus Frequency: #1896

  2. Written Corpus Frequency

    Rank popularity for the word 'onto' in Written Corpus Frequency: #850

Anagrams for onto »

  1. noot, toon, Toon


  1. Chaldean Numerology

    The numerical value of onto in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of onto in Pythagorean Numerology is: 1

Sample Sentences & Example Usage

  1. Matshona Dhliwayo:

    The weak hold onto grudges; the great hold onto love.

  2. Matshona Dhliwayo:

    Holding onto your dreams is better than holding onto your nightmares.

  3. Walker Percy:

    To become aware of the possiblity of the search is to be onto something.

  4. Robert P. Vanderpoel:

    The most successful businessman is the man who holds onto the old just as long as it is good, and grabs the new just as soon as it is better.

  5. Benny Liu:

    Initially we thought we contaminated our samples, or mixed up the two drugs. And so we repeated these experiments over and over again, and got the same exact results, it was a blind stumble onto this discovery.

Images & Illustrations of onto

  1. ontoontoonto

Translations for onto

From our Multilingual Translation Dictionary

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