pitchstone
English
    
    
Noun
    
pitchstone (usually uncountable, plural pitchstones)
- (geology) a natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma
Translations
    
See also
    
 pitchstone on  Wikipedia.Wikipedia pitchstone on  Wikipedia.Wikipedia
Anagrams
    
    This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.