an unstable acid that is a strong oxidizing agent. Formula: HClO2
chlorous acid in American English
noun
a hypothetical acid, HClO2, known only in solution or in the form of its salts
Word origin
[1835–45]This word is first recorded in the period 1835–45. Other words that entered Englishat around the same time include: basic, catch-up, cutaway, daisy chain, squeegee