biotite
noun
bi·o·tite ˈbī-ə-ˌtīt 
: 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
biotitic
ˌbī-ə-ˈti-tik
adjective 
Word History
Etymology
German Biotit, from Jean B. Biot †1862 French mathematician
First Known Use
1848, in the meaning defined above
- separate the sheep from the goats
- separate the wheat from the chaff
- separate-loading ammunition
- separated
- separated (from)
- separated aggregate
- separated from
- separated milk
- separated off
- separated out
- separatee
- separately
- separately excited
- separateness
- separatenesses
- separates
- separates (from)
- separates from
- separates off
- separates out
- separating
- separating (from)
- separating from
- separating funnel
- separating off