unit molecule

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• 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

• 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

• unit — 1. One; a single person or thing. 2. A standard of measure, weight, or any other quality, by multiplications or fractions of which a scale or system is formed. 3. A group of persons or things considered as a whole because of mutual activities or… …   Medical dictionary

• unit — I. noun Etymology: back formation from unity Date: 1570 1. a. the first and least natural number ; one b. a single quantity regarded as a whole in calculation 2. a determinate quantity (as of length, time, heat, or value) adopted as a standard of …   New Collegiate Dictionary

• 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

• 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

• molecule — [ mɒlɪkju:l] noun a group of atoms bonded together, representing the smallest fundamental unit of a compound that can take part in a chemical reaction. Origin C18: from Fr. molécule, from mod. L. molecula, dimin. of L. moles mass …   English new terms dictionary

• molecule — mol•e•cule [[t]ˈmɒl əˌkyul[/t]] n. 1) chem. phs 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… …   From formal English to slang

• molecule — /ˈmɒləkjul / (say moluhkyoohl) noun 1. Chemistry, Physics the smallest particle of a substance capable of independent existence. 2. a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular …