[pho.no.lite] n [F, fr. G Phonolith, fr. phon- + -lith; fr. its ringing sound when struck] (ca. 1828): a gray or green volcanic rock consisting essentially of orthoclase and nepheline
PHONOLITE
Meaning of PHONOLITE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012