Dictionary

molecule

noun mol·e·cule \ˈmä-li-ˌkyül\

: the smallest possible amount of a particular substance that has all the characteristics of that substance

: a very small amount of something

Full Definition of MOLECULE

1
:  the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms
2
:  a tiny bit :  particle
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Examples of MOLECULE

  1. There is not a molecule of evidence to support these charges.
  2. <not a molecule of sense in that girl>

Origin of MOLECULE

French molécule, from New Latin molecula, diminutive of Latin moles mass
First Known Use: 1794

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous
MOLECULE Defined for Kids

molecule

noun mol·e·cule \ˈmä-li-ˌkyül\

Definition of MOLECULE for Kids

:  the smallest portion of a substance having the properties of the substance <a molecule of water>
Medical Dictionary

molecule

noun mol·e·cule \ˈmäl-i-ˌkyü(ə)l\

Medical Definition of MOLECULE

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

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