1. Having an equivalent more than one.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• oolyatomic,
• lolyatomic,
• -olyatomic,
• 0olyatomic,
• pilyatomic,
• pklyatomic,
• pllyatomic,
• pplyatomic,
• p0lyatomic,
• p9lyatomic,
• pokyatomic,
• popyatomic,
• pooyatomic,
• polyatmic,
• ployatomic,
• poliatomic,
• -polychromic,
• polyargic,
• polystomiun,
• Polystomere

• poulton.

The adjective form of the word "polyatomic" is "polyatomic".

The plural form of the word "polyatomic" is "polyatomics".

The singular form of the word "polyatomic" is "polyatomic ion".