WordValemolecule
two or more atoms bonded together
In more detail
1. (noun) the smallest unit of a substance that contains all the chemical properties of that substance, made up of two or more atoms bonded together
Examples
- 1. A water molecule consists of two hydrogen atoms and one oxygen atom.
How to use molecule
Molecule is a standard scientific term used in chemistry, physics, and biology to describe the smallest identifiable unit of a pure substance. It is more specific than 'particle' and larger in scope than 'atom,' making it essential for discussing chemical composition and reactions in both academic and professional contexts.
Common phrases
- water molecule
- complex molecule
- molecule structure
- organic molecule
- molecular bond
- molecule composed of
Synonyms
particle · unit · compound
Opposites
atom
Word family
molecular · molecularly · biomolecule
A common mistake
Learners sometimes confuse molecules with atoms, not realizing that a molecule must contain at least two atoms bonded together, whereas an atom is a single unit of an element.
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