Usually means: Molecule consisting of multiple atoms.
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We found 21 dictionaries that define the word polyatomic:

General (17 matching dictionaries)
  1. polyatomic: Merriam-Webster
  2. polyatomic: Oxford Learner's Dictionaries
  3. polyatomic: American Heritage Dictionary of the English Language
  4. polyatomic: Collins English Dictionary
  5. polyatomic: Vocabulary.com
  6. polyatomic: Wordnik
  7. polyatomic: Wiktionary
  8. polyatomic: Infoplease Dictionary
  9. Polyatomic, polyatomic: Dictionary.com
  10. Polyatomic: Wikipedia, the Free Encyclopedia
  11. Polyatomic: Online Plain Text English Dictionary
  12. polyatomic: Webster's Revised Unabridged, 1913 Edition
  13. polyatomic: Rhymezone
  14. Polyatomic: AllWords.com Multi-Lingual Dictionary
  15. polyatomic: FreeDictionary.org
  16. polyatomic: Mnemonic Dictionary
  17. polyatomic: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. polyatomic: Encyclopedia

Medicine (3 matching dictionaries)
  1. Dorland's Illustrated Medical Dictionary (No longer online)
  2. online medical dictionary (No longer online)
  3. polyatomic: Medical dictionary

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Definitions from Wiktionary (polyatomic)

▸ adjective:  (chemistry) (of a molecule or ion) Consisting of three or more atoms.

Similar:
multimolecular, multiatom, multivalent, polyvalent, multicationic, polyfunctional, tricapped, polymerous, multielectronic, multichemical, more...

Opposite:
monatomic, atomic, single-atom

Phrases:
polyatomic molecules, polyatomic ions, polyatomic molecule, Polyatomic ion, polyatomic anion, more...

▸ Words similar to polyatomic

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▸ Popular nouns described by polyatomic

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▸ Rhymes of polyatomic

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Similar:
multimolecular, multiatom, multivalent, polyvalent, multicationic, polyfunctional, tricapped, polymerous, multielectronic, multichemical, more...

Opposite:
monatomic, atomic, single-atom

Phrases:
polyatomic molecules, polyatomic ions, polyatomic molecule, Polyatomic ion, polyatomic anion, more...



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