Longman Dictionary of Contemporary English homepage

Topic: CHEMISTRY

Date: 1700-1800
Language: French
Origin: molécule, from Latin moles 'mass'

molecule

noun
     
mol‧e‧cule [countable]
HC the smallest unit into which any substance can be divided without losing its own chemical nature, usually consisting of two or more atoms:
The molecules of oxygen gas contain just two atoms.
molecular adjective:
molecular structure
Word of the Day
The CHEMISTRY
Word of the Day is:

Other related topics