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Atom

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Noun

Physics .
the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; the number of protons determines the identity of the element.
an atom with one of the electrons replaced by some other particle
muonic atom; kaonic atom.
Energy . this component as the source of nuclear energy.
a hypothetical particle of matter so minute as to admit of no division.
anything extremely small; a minute quantity.

Synonyms

noun
bit , crumb , dot , fragment , grain , iota , jot , minimum , mite , modicum , molecule , morsel , mote , ounce , particle , scintilla , scrap , shred , smidgen , speck , spot , tittle , trace , whitnotes:atom comes from greek atomos \'uncut , indivisible\' - based on a- \'not\' and temneir \'to cut\' and it is the smallest unit of matter that retains the characteristics of an element; a molecule is the smallest unit of matter that retains the characteristics of a compound , infinitesimal , little , molecular , monad , shade , whit

Xem thêm các từ khác

  • Atomic

    of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs, propelled or driven by atomic energy, chemistry . existing as free,...

  • Atomicity

    the number of atoms in a molecule of a gas., valence.

  • Atomise

    to reduce to atoms., to reduce to fine particles or spray., to destroy (a target) by bombing, esp. with an atomic bomb., to split into many sections, groups,...

  • Atomism

    also called atomic theory. philosophy . the theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter.,...

  • Atomist

    also called atomic theory. philosophy . the theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter.,...

  • Atomistic

    also called atomic theory. philosophy . the theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter.,...

  • Atomization

    to reduce to atoms., to reduce to fine particles or spray., to destroy (a target) by bombing, esp. with an atomic bomb., to split into many sections, groups,...

  • Atomize

    to reduce to atoms., to reduce to fine particles or spray., to destroy (a target) by bombing, esp. with an atomic bomb., to split into many sections, groups,...

  • Atomizer

    an apparatus for reducing liquids to a fine spray, as for medicinal or cosmetic application.

  • Atomy

    an atom; mote., a small creature; pygmy.

  • Atone

    to make amends or reparation, as for an offense or a crime, or for an offender (usually fol. by for ), to make up, as for errors or deficiencies (usually...

  • Atonement

    satisfaction or reparation for a wrong or injury; amends., ( sometimes initial capital letter ) theology . the doctrine concerning the reconciliation of...

  • Atonic

    phonetics ., pathology . characterized by atony., grammar . an unaccented word, syllable, or sound., unaccented., obsolete . voiceless.

  • Atony

    pathology . lack of tone or energy; muscular weakness, esp. in a contractile organ., phonetics . lack of stress accent.

  • Atop

    on or at the top., on the top of, adverb, atop the flagpole ., onto , up on , upon

  • Atrabiliar

    gloomy; morose; melancholy; morbid., irritable; bad-tempered; splenetic.

  • Atrabilious

    gloomy; morose; melancholy; morbid., irritable; bad-tempered; splenetic.

  • Atrip

    aweigh., (of a sail) in position and ready for trimming., (of a yard) hoisted and ready to be fastened in position., (of an upper mast) unfastened and...

  • Atrium

    architecture ., anatomy . either of the two upper chambers on each side of the heart that receive blood from the veins and in turn force it into the ventricles.,...

  • Atrocious

    extremely or shockingly wicked, cruel, or brutal, shockingly bad or tasteless; dreadful; abominable, adjective, adjective, an atrocious crime ., an atrocious...
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