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atom

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  • Stati Uniti/[ˈæɾm̩]/
  • Stati Uniti/[ˈæɾəm]/
  • //ˈætəm//

The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.

sostantivo

  1. 1

    The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.

  2. 2

    A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter.

  3. 3

    The smallest, indivisible constituent part or unit of something.

    Towards the following morning, the thermometer fell to 5°; and at daylight, there was not an atom of water to be seen in any direction.

    But at this critical moment the pirate astern sent a mischievous shot and knocked one of the men to atoms at the helm.

  4. 4

    In logical atomism, a fundamental fact that cannot be further broken down.

  5. 5

    storicoThe smallest medieval unit of time, equal to fifteen ninety-fourths of a second.

  6. 6

    A mote of dust in a sunbeam.

  7. 7

    A very small amount; a whit.

    "Doctor, tell me one word more," said Theodore, quivering with suppressed emotion. "How do you think it will end?" / "I have hardly the faintest atom of hope," answered this honest, earnest man.

    We are born, we are given just so much food as will keep the breath in our bodies, and those of us who are capable of it are forced to work to the last atom of our strength; and the very instant that our usefulness has come to an end we are slaughtered with hideous cruelty.

  8. 8

    An individual number or symbol, as opposed to a list; a scalar value.

  9. 9

    An integer representing a particular string.

  10. 10

    A non-zero member of a partially ordered set that has only zero below it (assuming that the poset has a least element, its "zero").

    In a Venn diagram, an atom is depicted as an area circumscribed by lines but not cut by any line.

  11. 11

    An element of a set that is not itself a set; an urelement.

  12. 12

    An age group division in hockey for nine- to eleven-year-olds.

Etimologia

From Middle English attome, from Middle French athome, from Latin atomus (“smallest particle”), from Ancient Greek ἄτομος (átomos, “indivisible”), from ἀ- (a-, “not”) + τέμνω (témnō, “to cut”, o-grade in τομ-) + -ος (-os). Atoms are so named because they were historically thought up as to be the smallest unit of matter, and thus indivisible. Doublet of atomus.

Forme

plurale
atoms
Le pagine vicineL'ordine alfabetico segue le regole della lingua, non il valore dei byte: un accento distingue soltanto due parole per il resto identiche, e lo spagnolo tratta la Ñ come una lettera a sé.

Contenuto lessicale tratto da Wiktionary, sotto licenza CC BY-SA 4.0 · Voce di origine · Versione dei dati 2026-08-23

Posizione tra le parole del corpus OpenSubtitles 2018 — sottotitoli di film e serie, quindi lingua parlata e non scritta (CC BY-SA 3.0).