noun
: a white amorphous deliquescent compound As 2 O 5 or As 4 O 10 usually made by oxidizing arsenic trioxide and used in making arsenates
noun
: a white amorphous deliquescent compound As 2 O 5 or As 4 O 10 usually made by oxidizing arsenic trioxide and used in making arsenates
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012