† corundicadj.
Obsolete.
Of the hardness of corundum.
ΚΠ
1811 J. Pinkerton Petralogy I. Introd. p. xx To express the relative hardness of other substances, by the following terms: Cretic, Gypsic, Marmoric, Basaltic, Felsparic, Crystalic, Corundic.
This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2019).
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adj.1811