|trīˌthī|änik- noun
Etymology: International Scientific Vocabulary tri- + thionic
: the thionic acid H 2 S 3 O 6 containing three atoms of sulfur in the molecule
|trīˌthī|änik- noun
Etymology: International Scientific Vocabulary tri- + thionic
: the thionic acid H 2 S 3 O 6 containing three atoms of sulfur in the molecule
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012