Meaning of MOLECULE
| Pronunciation: | | 'mowlekyool
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 WordNet Dictionary |
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- [n] (nontechnical usage) a tiny piece of anything
- [n] (physics and chemistry) the simplest structural unit of an element or compound
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| | Synonyms: | | atom, mote, particle, speck |
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| | See Also: | | building block, chain, chemical chain, chemical group, chylomicron, coenzyme, dipole molecule, grain, group, macromolecule, material, protein molecule, radical, stuff, supermolecule, unit | |
| Webster's 1913 Dictionary |
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| | Definition: | | \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
matter is supposed to consist.
2. (Physics) The smallest part of any substance which
possesses the characteristic properties and qualities of
that substance, and which can exist alone in a free state.
3. (Chem.) A group of atoms so united and combined by
chemical affinity that they form a complete, integrated
whole, being the smallest portion of any particular
compound that can exist in a free state; as, a molecule of
water consists of two atoms of hydrogen and one of oxygen.
Cf. {Atom}.
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| Medical Dictionary |
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| | Definition: | | A chemical made up of two or more atoms. The atoms in a molecule can be the same (an oxygen molecule has two oxygen atoms) or different (a water molecule has two hydrogen atoms and one oxygen atom). Biological molecules, such as proteins and DNA, can be made up of many thousands of atoms. |
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| Biology Dictionary |
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| | Definition: | | The result of two or more atoms combining by chemical bonding. |
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| Glossary |
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| | Definition: | | a unit composed of two or more atoms linked by a chemical bond. |
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| Thesaurus Terms |
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| | Related Terms: | | ace, acid, acidity, agent, air, alkali, alkalinity, alloisomer, anion, antacid, atom, atomic cluster, atomic particles, base, benzene ring, biochemical, bit, branched chain, brute matter, building block, cation, chain, chemical, chemical element, chromoisomer, closed chain, component, compound, compound radical, constituent, copolymer, cycle, dab, dimer, dole, dot, dram, dribble, driblet, dwarf, earth, electron, element, elementary particle, elementary unit, farthing, fire, fleck, flyspeck, fragment, fundamental particle, gobbet, grain, granule, groat, hair, handful, heavy chemicals, heterocycle, high polymer, homocycle, homopolymer, hydracid, hyle, hypostasis, inorganic chemical, ion, iota, isomer, jot, Kekule formula, lattice, little, little bit, lota, macromolecule, material, material world, materiality, matter, meson, metamer, minim, minimum, minutiae, mite, modicum, monad, monomer, mote, natural world, nature, neutralizer, nonacid, nuclear particle, nutshell, organic chemical, ounce, oxyacid, particle, pebble, physical world, pinch, pittance, plenum, point, polymer, proton, pseudoisomer, quark, radical, ray, reagent, ring, scruple, side chain, simple radical, smidgen, smitch, space-lattice, speck, spoonful, spot, straight chain, stuff, substance, substratum, sulfacid, the four elements, thimbleful, tiny bit, tittle, trifling amount, trimer, trivia, unit of being, water, whit |
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