pentaborane
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
15
Scrabble Score
11
Letters
3
Syllables
8
Unique Chars
Meaning
noun
Either of two boranes containing five boron atoms, but especially the stable compound B₅H₉ once proposed as a rocket fuel
Countable; Uncountable
Etymology
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.