molecule

3 definitions found

molecule - Collaborative International Dictionary of English v.0.48 :

  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
        possesses the characteristic properties and qualities of
        that substance, and which can exist alone in a free state.
        [1913 Webster]
  
     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.
        [1913 Webster]

molecule - WordNet (r) 2.1 (2005) :

  molecule
      n 1: (physics and chemistry) the simplest structural unit of an
           element or compound
      2: (nontechnical usage) a tiny piece of anything [syn: atom,
         molecule, particle, corpuscle, mote, speck]

molecule - Moby Thesaurus II by Grady Ward, 1.0 :

  138 Moby Thesaurus words for "molecule":
     Kekule formula, 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, 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