biotite
[ bahy-uh-tahyt ]
/ ˈbaɪ əˌtaɪt /
noun
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.
Origin of biotite
1860–65; named after J. B.
Biot (1774–1862), French mineralogist and mathematician; see
-ite1
OTHER WORDS FROM biotite
bi·o·tit·ic [bahy-uh-tit-ik] /ˌbaɪ əˈtɪt ɪk/, adjectiveWords nearby biotite
biotic,
biotic factor,
biotic potential,
biotin,
biotinide,
biotite,
biotope,
biotoxicology,
biotoxin,
biotransformation,
biotron
Example sentences from the Web for biotite
British Dictionary definitions for biotite
biotite
/ (ˈbaɪəˌtaɪt) /
noun
a black or dark green mineral of the mica group, found in igneous and metamorphic rocks. Composition: hydrous magnesium iron potassium aluminium silicate. Formula: K(Mg,Fe) 3 (Al,Fe)Si 3 O 10 (OH) 2 . Crystal structure: monoclinic
Derived forms of biotite
biotitic (ˌbaɪəˈtɪtɪk), adjectiveScientific definitions for biotite
biotite
[ bī′ə-tīt′ ]
A dark-brown or dark-green to black mica. Biotite is monoclinic and is found in igneous, metamorphic, and sedimentary rocks. Chemical formula: K(Mg,Fe)3(Al,Fe)Si3O10(OH)2.