subresinn.
/ˈsʌbrɛzɪn/, U.S. /ˈsəbˌrɛz(ə)n/ Chemistry. Now rare.
That component of a resin which dissolves in boiling alcohol, and is deposited as the alcohol cools.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > processed resinous materials > [noun] > resinous precipitate or extract
resin1681
magistery1712
laccin1820
subresin1824
tall oil1909
1824 Edinb. Jrnl. Sci. 1 373 M. Bonastre..has given the name of sub-resins to those which are entirely deprived of essential oil; which are deprived of acid; and which are soluble only in boiling alcohol, ether, or the volatile oils.
1852 Pharm. Jrnl. & Trans. 11 461 This sulphate is completely soluble with heat in water, acidulated with sulphuric acid; it therefore contains neither fatty acid nor sub-resin.
1901 C. Salter tr. K. Dieterich Anal. Resins, Balsams & Gum-resins 109 Resin soluble in cold alcohol, 54.30 per cent.; pale yellow gelatinous sub-resin, resembling turpentine in appearance, insoluble in cold, but soluble in hot, alcohol.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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