noun Date: 1818 a fuming corrosive strong acid HClO 4 that is the most highly oxidized acid of chlorine and a powerful oxidizing agent when heated
PERCHLORIC ACID
Meaning of PERCHLORIC ACID in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012