Noun: molecule 'mó-lu,kyool
- (physics and chemistry) the simplest structural unit of an element or compound
"The water molecule consists of two hydrogen atoms bonded to one oxygen atom"
- (nontechnical usage) a tiny piece of anything
"Not a molecule of truth remained in his story";
- atom, particle, corpuscle, mote, speck
Derived forms: molecules
Type of: building block, material, stuff, unit
Encyclopedia: Molecule