pitchstone
Americannoun
noun
Etymology
Origin of pitchstone
1775–85; translation of German Pechstein. See pitch 2, stone
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Using four 20-in. mirrors, he focuses sunlight on powdered pitchstone in a glass laboratory tube until its water of crystallization steams off.
From Time Magazine Archive
Their flanks were blotched with a livid nitrous efflorescence, with flaring sulphur, unhealthy verdure of pitchstone, streaks of arsenical vermilion; their beds—a frantic maze of boulders.
From South Wind by Norman Douglas
The lavas are curious from abounding in, or rather being in parts composed of pitchstone.
From More Letters of Charles Darwin — Volume 1 by Sir Francis Darwin
In the south of the island there are sills and dykes of felsite, quartz-porphyry, rhyolite, trachyte and pitchstone.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various
This pitchstone, as well as some purple claystone porphyry, certainly flowed in the form of streams.
From Geological Observations on South America by Charles Darwin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
