WordReference Random House Unabridged Dictionary of American English © 2026
pitch•stone
(pich′stōn′),USA pronunciation n.
- Rocksa glassy volcanic rock having a resinous luster and resembling hardened pitch.
- translation of German Pechstein. See pitch2, stone 1775–85
'pitchstone' also found in these entries (note: many are not synonyms or translations):