semi-formn.
An imperfect form; Crystallography, a hemihedral form.
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the mind > goodness and badness > inferiority or baseness > imperfection > [noun] > that which is imperfect
wind-egg1398
rib-roast1654
wastera1800
semi-form1836
spoil1892
square wheels1924
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
1836 B. H. Smart Walker Remodelled Semi-form.
1895 N. Story-Maskelyne Crystallogr. §137 A form of the hemi-symmetrical kind will be termed a semiform or a hemihedron.
This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2019).
semi-formadj.
rare. Apparently only attested in dictionaries or glossaries.
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‘Half formed, imperfect’ (Bailey, 1721).
This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2021).
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n.1836
adj.1721