pitchstone

[ pich-stohn ]

noun

1. a glassy volcanic rock having a resinous luster and resembling hardened pitch.

pitchstone

/ ˈpɪtʃˌstəʊn /

noun

1. a dark glassy acid volcanic rock similar in composition to granite, usually intruded as dykes, sills, etc

Word History and Origins

Origin of pitchstone¹

1775–85; translation of German Pechstein. See pitch ², stone

Word History and Origins

Origin of pitchstone¹

C18: translation of German Pechstein

Example Sentences

I have brought from that locality a single specimen of pitchstone, perfectly resinous, bleak and shining.

From Project Gutenberg

The lavas comprise dark pitchstone, resembling that at Kirk Yetholm, and porphyritic and amygdaloidal andesites and basalts.

From Project Gutenberg

But this hyeh Pitchstone hole, if Willomene had went down into that—well, I'll tell yu', that you may judge.

From Project Gutenberg

And she mighty near rolled off down into Pitchstone Canyon, comin' up by the cut-off trail.

From Project Gutenberg

The walls, or banks, of the channel have been denuded away, thus converting the pitchstone casting into a projecting wall of rock.

From Project Gutenberg