|pentə+ˌ ̷ ̷| ̷ ̷ ̷ ̷- noun
Etymology: International Scientific Vocabulary penta- + thionic
: the thionic acid H 2 S 5 O 6 containing five atoms of sulfur in the molecule
|pentə+ˌ ̷ ̷| ̷ ̷ ̷ ̷- noun
Etymology: International Scientific Vocabulary penta- + thionic
: the thionic acid H 2 S 5 O 6 containing five atoms of sulfur in the molecule
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012