Nitrogen-based dye
The crossword clue "Nitrogen-based dye" is answered by AZO, a 3-letter entry. Used 15 times across 11 distinct years; most recently in 2021; first recorded in 2001. It appears in 4 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
AZO
3 letters. See every clue for this answer on the AZO answer page.
Used 15 times across 11 distinct years; most recently in 2021; first recorded in 2001. It appears in 4 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for AZO
Every other clue in this collection answered by AZO, most used first.
- Kind of dye - used 42 times, most recently in 2019
- ___ dye - used 25 times, most recently in 2024
- Dye type - used 16 times, most recently in 2025
- Nitrogen: Prefix - used 8 times, most recently in 1996
- Type of dye - used 7 times, most recently in 2020
- ___ dye (chemical coloring) - used 6 times, most recently in 2021
- Dye group - used 6 times, most recently in 2017
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.
- Nashville-based awards org. - CMA, used 30 times
- Seoul-based automaker - KIA, used 24 times
- Card game based on Crazy Eights - UNO, used 23 times
- It's mostly nitrogen - AIR, used 23 times
- Based ___ true story - ONA, used 21 times
- Dye brand - RIT, used 19 times
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