pentaborane.
Either of two boranes containing five boron atoms, but especially the stable compound B₅H₉ once proposed as a rocket fuel
Meaning & usage
Either of two boranes containing five boron atoms, but especially the stable compound B₅H₉ once proposed as a rocket fuel
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- English borane English pentaborane From penta- + borane.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.