Definition of tetratomic in English:

tetratomic

Syllabification: tet·ra·tom·ic
Pronunciation: /ˌtetrəˈtämik
 
/

adjective

Chemistry
  • Consisting of four atoms.
    More example sentences
    • Wide amplitude rovibrational bound state calculations in tri- and tetratomic molecules have advanced enormously in recent years.
    • What is the key difference between your various structures, in how various tetratomic molecules have different shape?
    • Seen here is a 2D stroboscopic history of the collision of four diatomic molecules, a tetratomic molecule, and an atom.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody