molecule
[ mol-uh-kyool ]
/ ˈmɒl əˌkyul /
noun
Chemistry, Physics.
the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.
Chemistry.
a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight; gram molecule.
any very small particle.
Origin of molecule
OTHER WORDS FROM molecule
sub·mol·e·cule, noun su·per·mol·e·cule, nounWords nearby molecule
Example sentences from the Web for molecule
British Dictionary definitions for molecule
molecule
/ (ˈmɒlɪˌkjuːl) /
noun
the simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds
a very small particle
Word Origin for molecule
C18: via French from New Latin
mōlēcula, diminutive of Latin
mōlēs mass,
mole
4
Medical definitions for molecule
molecule
[ mŏl′ĭ-kyōōl′ ]
n.
The smallest particle into which an element or a compound can be divided without changing its chemical and physical properties; a group of atoms that is held together chemically.
Scientific definitions for molecule
molecule
[ mŏl′ĭ-kyōōl′ ]
A group of two or more atoms linked together by sharing electrons in a chemical bond. Molecules are the fundamental components of chemical compounds and are the smallest part of a compound that can participate in a chemical reaction.
Cultural definitions for molecule
molecule
[ (mol-uh-kyoohl) ]
A combination of two or more atoms held together by a force between them. (See covalent bond and ionic bond.)