Onto



[on-too, awn-; unstressed on-tuh, awn-] /ˈɒn tu, ˈɔn-; unstressed ˈɒn tə, ˈɔn-/

preposition
1.
a place or position ; upon; on:
to get onto a horse.
2.
Informal. in or into a state of awareness about:
I’m onto your scheme.
adjective
3.
Also, surjective. Mathematics. pertaining to a function or map from one set to another set, the range of which is the entire second set.
1.
a combining form meaning “being,” used in the formation of compound words:
ontogeny.
/ˈɒntʊ; unstressed ˈɒntə/
preposition
1.
to a position that is on: step onto the train as it passes
2.
having become aware of (something illicit or secret): the police are onto us
3.
into contact with: get onto the factory
combining form
1.
existence or being: ontogeny, ontology
prep.

1580s, as on to, from on + to. Appeared much later than parallel into. As a closed compound (on analogy of into), first recorded 1715.

word-forming element meaning “a being, individual; being, existence,” from Greek onto-, from stem of on (genitive ontos) “being,” neuter present participle of einai “to be” (see essence).

onto- or ont-
pref.
Organism; being: ontogeny.

surjection

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  • Onto-function

    noun 1. Mathematics. a function from one set to a second set, the range of which is the entire second set.

  • Ontogenesis

    [on-toj-uh-nee] /ɒnˈtɒdʒ ə ni/ noun, Biology. 1. the development or developmental history of an individual organism. /ɒnˈtɒdʒənɪ/ noun 1. the entire sequence of events involved in the development of an individual organism Compare phylogeny n. “development of an individual,” 1872, from onto- + -geny. Related: Ontogenic; ontogenesis. ontogenesis on·to·gen·e·sis (ŏn’tō-jěn’ĭ-sĭs) n. See ontogeny. ontogeny on·tog·e·ny […]



  • Ontogenetic

    [on-toj-uh-nee] /ɒnˈtɒdʒ ə ni/ noun, Biology. 1. the development or developmental history of an individual organism. /ɒnˈtɒdʒənɪ/ noun 1. the entire sequence of events involved in the development of an individual organism Compare phylogeny n. “development of an individual,” 1872, from onto- + -geny. Related: Ontogenic; ontogenesis. ontogenetic on·to·ge·net·ic (ŏn’tō-jə-nět’ĭk) adj. Of or relating to […]

  • Ontogenic

    [on-toj-uh-nee] /ɒnˈtɒdʒ ə ni/ noun, Biology. 1. the development or developmental history of an individual organism. /ɒnˈtɒdʒənɪ/ noun 1. the entire sequence of events involved in the development of an individual organism Compare phylogeny n. “development of an individual,” 1872, from onto- + -geny. Related: Ontogenic; ontogenesis. ontogeny on·tog·e·ny (ŏn-tŏj’ə-nē) n. The origin and development […]



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