Pentatomic

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having five atoms in each molecule. not-comparable
  2. 2
    Having five hydrogen atoms capable of substitution. not-comparable

Synonyms

All synonyms
atomiccycliccyclicalsubatomic

Etymology

From penta- + atomic.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.