† pyroretinn.

Origin: A borrowing from German. Etymon: German Pyroretin.

Etymology: < German Pyroretin (A. E. Reuss 1854, in Sitzungsberichte der Kaiserlichen Akad. der Wissensch. in Wien 12 551) < pyro- pyro- comb. form + ancient Greek ῥητίνη resin (see retinite n.).

Geology. Obsolete. rare.

A resinous asphalt formerly thought to have been formed by the action of heat from a basaltic dyke.

ΚΠ

1868 J. D. Dana Syst. Mineral. (ed. 5) 744 Pyroretinite, part of Pyroretin of Reuss.

1881 Jrnl. Chem. Soc. 40 359 Four resins belonging to the retinite group., viz., Pyroretin, Reussinite, Leucopetrite, and Euosinite.

Derivatives

pyroretinite n. rare a resin extracted from this substance using solvents.

ΚΠ

1868*Pyroretinite [see main sense].

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pyroretin
释义	† pyroretinn. Origin: A borrowing from German. Etymon: German Pyroretin. Etymology: < German Pyroretin (A. E. Reuss 1854, in Sitzungsberichte der Kaiserlichen Akad. der Wissensch. in Wien 12 551) < pyro- pyro- comb. form + ancient Greek ῥητίνη resin (see retinite n.). Geology. Obsolete. rare. A resinous asphalt formerly thought to have been formed by the action of heat from a basaltic dyke. ΚΠ 1868 J. D. Dana Syst. Mineral. (ed. 5) 744 Pyroretinite, part of Pyroretin of Reuss. 1881 Jrnl. Chem. Soc. 40 359 Four resins belonging to the retinite group., viz., Pyroretin, Reussinite, Leucopetrite, and Euosinite. Derivatives pyroretinite n. rare a resin extracted from this substance using solvents. ΚΠ 1868*Pyroretinite [see main sense]. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1868
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