Meaning of BIOTITE in English

[bi.o.tite] n [G Biotit, fr. Jean B. Biot d. 1862 Fr. mathematician] (1862): a generally black or dark green form of mica that is a constituent of crystalline rocks and consists of a silicate of iron, magnesium, potassium, and aluminum -- bi.o.tit.ic adj

Merriam-Webster English vocab.      Английский словарь Merriam Webster.