Litmus reddener
The crossword clue "Litmus reddener" is answered by ACID, a 4-letter entry. Used 45 times across 24 distinct years; most recently in 2026; first recorded in 1986. It appears in 10 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
ACID
4 letters. See every clue for this answer on the ACID answer page.
Used 45 times across 24 distinct years; most recently in 2026; first recorded in 1986. It appears in 10 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for ACID
Every other clue in this collection answered by ACID, most used first.
- Battery fluid - used 100 times, most recently in 2026
- Corrosive chemical - used 57 times, most recently in 2026
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
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