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
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
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
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
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
molecule — atom, *particle, corpuscle … New Dictionary of Synonyms
molecule — [n] smallest part bit, fragment, iota, jot, minim, mite, modicum, mote, ounce, particle, ray, speck, unit; concepts 393,831 … New thesaurus
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
Molecule — 3D (left and center) and 2D (right) representations of the terpenoid molecule atisane A molecule (pronounced … Wikipedia
Molécule — Représentation schématique 3D d une molécule de saccharose … Wikipédia en Français
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
