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biotite Definition

bio·tite (ə tīt′)

noun

a dark-colored, soft, monoclinic mica, K(Mg,Fe)(Al,Fe)SiO(OH), found in igneous, metamorphic, and sedimentary rocks

Etymology: Ger biotit: so named after J. B. Biot (1774-1862), Fr physicist + -it, -ite

biotite Usage Examples

Converse of object

  • contain: The use of a prepared rock slide containing biotite to demonstrate pleochroism and to align the polariser east-west is also described.

Modifies a noun

  • mica: The darker bands, between 5mm and 10mm thick, are rich in biotite mica.
  • crystal: I calibrated the polarizer orientation and hence the analyzer by the use of biotite crystals.

Browse dictionary entries near biotite

  1. biotin
  2. -biotic
  3. biotic
  4. biotherapy
  5. bioterrorism
  6. biotelemetry
  7. biotechnology
  8. biotech
  9. biota
  10. biosystematics
  1. biotope
  2. biotoxin
  3. biotransformation
  4. biotype
  5. BIP
  6. bipack
  7. biparietal
  8. biparous
  9. bipartisan
  10. bipartite