noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any fluoride containing five fluorine atoms in each molecule.

Etymology

From penta- + fluoride.

Related phrases

antimony pentafluoridearsenic pentafluoridebromine pentafluoridechlorine pentafluoridegold pentafluorideiodine pentafluoridephosphorus pentafluoride

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