pentafluoride.
Any fluoride containing five fluorine atoms in each molecule.
Meaning & usage
Any fluoride containing five fluorine atoms in each molecule.
Where this word comes from
Etymology tree Proto-Indo-European *pénkʷe Proto-Hellenic *pénkʷe Ancient Greek πέντε (pénte) Ancient Greek πεντᾰ- (pentă-)lbor. English penta- Proto-Indo-European *bʰel-der. Proto-Indo-European *bʰlewH-der. Proto-Indo-European *bʰluH-yé-ti? Latin fluō Proto-Indo-European *-os Proto-Indo-European *-s Proto-Indo-European *-ōs Proto-Italic *-ōs Latin -or Latin fluor Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English fluor(ine) English -ide English fluoride English pentafluoride From penta- + fluoride.
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Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.