pentaborane

pentaborane

English

Etymology

Etymology tree
Proto-Indo-European *pénkʷe
Proto-Hellenic *pénkʷe
Ancient Greek πέντε (pénte)
Ancient Greek πεντᾰ- (pentă-)lbor.
English penta-
Middle Persian *bōragbor.
Arabic بَوْرَق (bawraq)der.
Medieval Latin boraxder.
Anglo-Norman boreisbor.
Middle English boras
English borax
English boro-
Proto-Indo-European *kerh₃-der.?
Latin carbōlbor.
French carbonebor.
English carbonbf.
English -on
English bor(on)
Proto-Indo-European *-nós
Proto-Italic *-nos
Latin -nus
Latin -ānusder.
English -ane
English borane
English pentaborane

    From penta- + borane.

    Noun

    pentaborane (countable and uncountable, plural pentaboranes)

    1. (inorganic chemistry) Either of two boranes containing five boron atoms, but especially the stable compound B5H9 once proposed as a rocket fuel
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