polyatomic

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Definitions from WordNet

Adjective polyatomic has 1 sense

polyatomic - of or relating to a molecule made up of more than two atoms

Definitions from the Web

Polyatomic

Definition:

Polyatomic refers to a chemical species that consists of multiple atoms held together by covalent bonds. These atoms, known as polyatomic ions, act as a single unit and carry a net electrical charge.

Example sentences:

The sulfate ion (SO₄^2-) is a common example of a polyatomic ion.
In organic chemistry, polyatomic molecules are often more complex than simple, monatomic elements.
The concept of polyatomic ions plays a significant role in understanding molecular structures.