hemisystematicadj.
Crystallography.
(See quot.)
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primitive1807
subtractive1807
based1810
emarginated1816
planoconvex1816
primary1823
hemisystematic1878
face-centred1913
body-centred1918
mosaic1934
1878 H. P. Gurney Crystallogr. 54 A hemisystematic form.
1895 N. Story-Maskelyne Crystallogr. §139 A hemi-systematic form is a form in which only half the origin-planes or normals are extant, the correlative half being absent.
This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2019).
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adj.1878