molecule meaning

[ 'mɔlikju:l, 'məu- ] Pronunciation:   "molecule" in a sentence
Noun: molecule  mólukyool
  1. (physics and chemistry) the simplest structural unit of an element or compound 
  2. (nontechnical usage) a tiny piece of anything
    - atom, particle, corpuscle, mote, speck

Derived forms: molecules

See also: bimolecular, intermolecular, intramolecular, molecular

Type of: building block, material, stuff, unit

Encyclopedia: Molecule

The basic particle of a compound; each molecule usually contains two or more atoms. For example, the formula AgNO3 represents silver nitrate, each molecule of which contains one atom of silver (Ag), one atom of nitrogen (N), and three atoms of oxygen (O).

n : the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms

[Oil and gas]
The smallest particle to which a compound can be reduced without losing its chemical identity.


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  1. molecules repel each other when they collide.
  2. these atoms are grouped into molecules.
  3. each sugar molecule has the properties of sugar.
  4. cellophane is made of long, fibrous molecules.
  5. molecules may be further broken down.

Related Words

  1. molecular vaccines meaning
  2. molecular weight meaning
  3. molecular,directed evolution meaning
  4. molecularity meaning
  5. molecularly meaning
  6. molehill meaning
  7. molendinar meaning
  8. molendinary meaning
  9. moler brick meaning
  10. molerat meaning
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