“+ noun
Etymology: German, from trachy- + basalt
: a rock that is intermediate in composition between trachyte and basalt and that contains both orthoclase and basic plagioclase
“+ noun
Etymology: German, from trachy- + basalt
: a rock that is intermediate in composition between trachyte and basalt and that contains both orthoclase and basic plagioclase
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012