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tripyramid
tripyramid n.
Brit. 
/(ˌ)trʌɪˈpɪrəmɪd/
, /(ˌ)trʌɪˈpɪrəmɪd/U.S. /ˌtraɪˈpɪrəˌmɪd/
Crystallography a triangular pyramid, as a form in certain calcareous spars. [After scientific Latin Tripyramides, genus name (1748 or earlier).] /ˌtraɪˈpɪrəˌmɪd/ΘΚΠ
the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [noun]
tripyramid1828
trisoctahedron1837
fluoroid1850
sphenoid1855
discalenohedron1872
prism1878
tetrakis-hexahedron1878
galenoid1882
macroprism1883
semi-form1895
tetartohedron1895
tetrakisdodecahedron1895
trichite1900
1753 Chambers's Cycl. Suppl. Tripyramides,..the name of a genus of spars... The bodies of this genus are spars, composed of single pyramids, each of three sides,..affixed by their bases to some solid body.]
1828 N. Webster Amer. Dict. Eng. Lang. Tripyramid.
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- cool chamber
- cool cold as a cucumber
- cool cup
- cool customer
- cool hunter
- cool it
- cool of wind
- cool off
- cool one
- cool one's chaffer
- cool one's coppers
- cool one's feet
- cool one's heels
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- cool or clear one's coppers
- counter-mount
- counter-move
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- counter-movements
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- counter-naiant
- counter-name
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