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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 mol·e·cule /ˈmɑlɪˌkju(ə)l/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 mol·e·cule /ˈmɑlɪˌkju(ə)l/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Mol·e·cule n.
 1. One of the very small invisible particles of which all ordinary 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.

From: WordNet (r) 2.0

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