Meaning of BIOTITE in English

— biotitic /buy'euh tit"ik/ , adj.

/buy"euh tuyt'/ , n.

a very common mineral of the mica group, occurring in black, dark-brown, or dark-green sheets and flakes: an important constituent of igneous and metamorphic rocks.

[ 1860-65; named after J. B. Biot (1774-1862), French mineralogist and mathematician; see -ITE 1 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .