Fuming sulfuric acid

OLEUM is a 5-letter word and the answer to the crossword clue "Fuming sulfuric acid" This descriptive clue hints at a defining characteristic or typical use of the answer rather than stating it outright. Crossword solvers often find that descriptive clues come into focus once a few crossing letters are already in place. OLEUM is a popular grid entry thanks to its useful combination of common letters.

See all clues for the answer OLEUM.