molecule

  • 1 MOLÉCULE — Le terme «molécule» est un concept opératoire fondamental de la pensée réductionniste. C’est un objet théorique au moyen duquel on peut dire, paraphrasant Jean Perrin, que le visible complexe de la matière se trouve représenté par de l’invisible… …

    Encyclopédie Universelle

  • 2 Molecule — Molécule Représentation 3D d une molécule de saccharose. Une molécule est un assemblage d atomes dont la composition est donnée par sa formule chimique. Le nom molécule provient du nom latin molecula, diminutif du nom latin moles, se traduisant… …

    Wikipédia en Français

  • 3 Molecule — Mol e*cule, n. [Dim. fr. L. moles a mass: cf. F. mol[ e]cule. See 3d {Mole}.] 1. One of the very small invisible particles of which all ordinary matter is supposed to consist. [1913 Webster] 2. (Physics) The smallest part of any substance which… …

    The Collaborative International Dictionary of English

  • 4 molecule — (n.) 1794, extremely minute particle, from Fr. molécule (1670s), from Mod.L. molecula, dim. of L. moles mass, barrier (see MOLE (Cf. mole) (3)). A vague meaning at first; the vogue for the word (used until late 18c. only in Latin form) can be… …

    Etymology dictionary

  • 5 molecule — [mäl′ə kyo͞ol΄] n. [Fr molécule < ModL molecula, dim. of L moles, a mass: see MOLE3] 1. the smallest particle of an element or compound that can exist in the free state and still retain the characteristics of the element or compound: the… …

    English World dictionary

  • 6 molecule — atom, *particle, corpuscle …

    New Dictionary of Synonyms

  • 7 molecule — [n] smallest part bit, fragment, iota, jot, minim, mite, modicum, mote, ounce, particle, ray, speck, unit; concepts 393,831 …

    New thesaurus

  • 8 molecule — ► NOUN ▪ a group of atoms chemically bonded together, representing the smallest fundamental unit of a compound that can take part in a chemical reaction. ORIGIN French, from Latin molecula small mass , from moles mass …

    English terms dictionary

  • 9 Molécule — Représentation schématique 3D d une molécule de saccharose …

    Wikipédia en Français

  • 10 Molecule — 3D (left and center) and 2D (right) representations of the terpenoid molecule atisane A molecule (pronounced  …

    Wikipedia

  • 11 molecule — /mol euh kyoohl /, n. 1. Chem., Physics. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. 2. Chem. a quantity of a substance, the weight of… …

    Universalium

  • 12 molecule — noun ADJECTIVE ▪ complex ▪ simple ▪ individual, single ▪ There may be several hundred amino acids in a single protein molecule. ▪ stable …

    Collocations dictionary

  • 13 molecule */*/ — UK [ˈmɒlɪˌkjuːl] / US [ˈmɑləˌkjul] noun [countable] Word forms molecule : singular molecule plural molecules science the smallest part of an element or compound that is capable of independent existence. It consists of two or more atoms water… …

    English dictionary

  • 14 Molecule — The smallest unit of a substance that can exist alone and retain the character of that substance. * * * The smallest possible quantity of a di , tri , or polyatomic substance that retains the chemical properties of the substance. [Mod. L.… …

    Medical dictionary

  • 15 molecule — 01. Energy binds atoms together into [molecules]. 02. Scientist Amaeo Avogadro first distinguished [molecules] from atoms in 1811. 03. Even the simplest cell consists of thousands of different [molecules] which interact together. 04. String and… …

    Grammatical examples in English

  • 16 molecule —    The smallest particle into which a substance can be divided without changing its chemical properties. A molecule of an element consists of one atom, or two or more atoms that are similar. A molecule of a compound consists of two or more… …

    Forensic science glossary

  • 17 molecule — molekulė statusas T sritis fizika atitikmenys: angl. molecule vok. Molekel, f; Molekül, n rus. молекула, f pranc. molécule, f …

    Fizikos terminų žodynas

  • 18 molecule — The smallest particle of a substance that has all of the physical and chemical properties of that substance. Molecules are made up of one or more atoms. If they contain more than one atom, the atoms can be the same (an oxygen molecule has two… …

    English dictionary of cancer terms

  • 19 molecule — noun Etymology: French molécule, from New Latin molecula, diminutive of Latin moles mass Date: 1794 1. the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms 2. a tiny bit ;… …

    New Collegiate Dictionary

  • 20 molecule — mol|e|cule [ˈmɔlıkju:l US ˈma: ] n [Date: 1700 1800; : French; Origin: molécule, from Latin moles mass ] the smallest unit into which any substance can be divided without losing its own chemical nature, usually consisting of two or more atoms ▪… …

    Dictionary of contemporary English