noun
: a heavy green oil that distills over from coal tar above 270° C and is the principal source of anthracene, phenanthrene, and carbazole
noun
: a heavy green oil that distills over from coal tar above 270° C and is the principal source of anthracene, phenanthrene, and carbazole
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012