noun Etymology: French, from German Phonolith, from phon- + -lith; from its ringing sound when struck Date: circa 1828 a gray or green volcanic rock consisting essentially of orthoclase and nepheline
PHONOLITE
Meaning of PHONOLITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012