English-Thai Dictionary
biotite
N หิน ภูเขาไฟช นิดหนึ่ง hin-poo-khao-fai-cha-nid-nueng
Webster's 1913 Dictionary
BIOTITE
Bi "o *tite, n. Etym: [From Biot, a French naturalist. ] (Min. )
Defn: Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.
New American Oxford Dictionary
biotite
bi o tite |ˈbīəˌtīt ˈbaɪətaɪt | ▶noun a black, dark brown, or greenish black variety of mica, occurring in many igneous and metamorphic rocks. ORIGIN mid 19th cent.: named after Jean Baptiste Biot (1774 –1862 ), French mineralogist.
Oxford Dictionary
biotite
biotite |ˈbʌɪətʌɪt | ▶noun [ mass noun ] a black, dark brown, or greenish black micaceous mineral, occurring as a constituent of many igneous and metamorphic rocks. ORIGIN mid 19th cent.: named after J.-B. Biot (1774 –1862 ), French mineralogist.
The Wordsmith Dictionary