Meaning of pentahydroborite in English:

pentahydroborite

Pronunciation /ˌpɛntəhʌɪdrə(ʊ)ˈbɔːrʌɪt/

noun

Mineralogy
  • A mineral consisting of a pentahydrated calcium borate, CaB₂ O₄ ·5H₂ O, occurring as small, colourless crystals and belonging to the triclinic crystal system.

Origin

1960s; earliest use found in American Mineralogist. From penta- + hydro- + bor- + -ite, after Russian pentagidroborit.