unsulphurizedadj.
(un- prefix1 2a(c).)
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unsulphurized1846
vulcanizable1852
unvulcanizeda1884
perished1922
1846 Mechanics' Mag. 4 July 2/2 Gutta percha either sulphurised or unsulphurised.
This entry has not yet been fully updated (first published 1926; most recently modified version published online June 2019).
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adj.1846