Corrosive substance that's used to frost glass

Latest answer — July 15, 2026

54 Down

Think of something that can eat away at materials and is often found in chemistry labs! ⚗️

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USA Today Crossword

This clue's Wednesday, July 15, 2026 appearance

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Across

  1. 1Ingredient in red ale
  2. 5Nordic capital with 343 lakes
  3. 9"New Attitude" singer LaBelle
  4. 14Realm
  5. 15Not much
  6. 16Minnesota Zoo has 485 of them
  7. 17Putting on pajamas, reading a book and doing a face mask, say
  8. 20Shenzhen's continent
  9. 21The "L" of LASIK
  10. 22___ out (barely manage)
  11. 23Second to ___
  12. 25"Hey! C'mere!"
  13. 27Soccer player Oluwaseyi
  14. 30". . . and so forth"
  15. 32Like all-gender teams
  16. 35Sensitive rock genre
  17. 36Pockets for shawarma
  18. 38Lightweight model wood
  19. 39Irving Berlin song featured in "Young Frankenstein"
  20. 42"Frankenstein" actor Oscar
  21. 43Like mochi and mooncakes
  22. 44Freelancer's charge
  23. 45Cruise ship level
  24. 46Org. that tracks air quality
  25. 47Clarinet part that vibrates
  26. 48Gets wind of
  27. 52"Honey" star Jessica
  28. 54"I cracked the code!"
  29. 56Oven accessories
  30. 58They're not pros
  31. 62"This one's on me"
  32. 65People who worshipped the rain god Illapa
  33. 66Pharma products
  34. 67Other than that
  35. 68Title documents
  36. 69Search for
  37. 70Put away for safekeeping

Down

  1. 1"Aww, darn it!"
  2. 2Kathleen Battle solo
  3. 3What Ariel exchanged her voice for
  4. 4Sesame paste in hummus
  5. 5Steel-cut grain
  6. 6Shoes with spiked heels
  7. 7Gelug religious teacher
  8. 8Tributes with stanzas
  9. 9Figure skating event
  10. 10Put on a show
  11. 11Like a photorealistic image
  12. 12Tropical hardwood
  13. 13Capri or Crete
  14. 18Principle in the "I Ching"
  15. 19Weight room unit
  16. 24No, in German
  17. 26Mark left by a healed cut
  18. 27Lukewarm
  19. 28Cause to chuckle
  20. 29"In your dreams!"
  21. 31"Would they let us?"
  22. 33Lauder of cosmetics
  23. 34Bewildered
  24. 36Insta profile image
  25. 37"Let the expert handle this"
  26. 38Trifecta, for one
  27. 40Give-and-___
  28. 41Restore to well-being
  29. 47Groups of mountains
  30. 49Slightly off
  31. 50"Get ___ of it!"
  32. 51Lychee discards
  33. 53Farmyard bleat
  34. 54Corrosive substance that's used to frost glass
  35. 55Make sharper
  36. 57A kite might get stuck in one
  37. 59Lean slightly
  38. 60"In that event . . ."
  39. 61Cholent or bigos
  40. 63Melancholy
  41. 64Chastising sound

The answer to “Corrosive substance that's used to frost glass” in the USA Today crossword is ACID — a 4-letter word. It most recently appeared in the USA Today crossword on July 15, 2026, a Wednesday puzzle, at 54-Down. Below you'll find why that fill fits, every other answer we've recorded for this clue, and links into the puzzle it came from.

“Corrosive substance that's used to frost glass” answer

ACID (4 letters)

Reveal the solution one letter at a time with the tiles above if you'd rather nudge yourself toward it than see the whole word at once. Just want it outright? The answer is ACID.

Why the answer is ACID

Think of something that can eat away at materials and is often found in chemistry labs! ⚗️

What does ACID mean?

Reading the plain dictionary sense of ACID is often the fastest way to see why it answers this clue.

(noun)

  • a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind
  • a molecule or other species which can donate a proton or accept an electron pair in reactions
  • the drug LSD

When else has “Corrosive substance that's used to frost glass” appeared?

USA Today reuses clues across dates, sometimes with a different answer depending on the grid. Here's where this exact clue has shown up, and what the answer was each time — handy when you're checking whether today's fill is the only one.

July 15, 2026 (most recent) → ACID. We haven't indexed another appearance of this exact clue yet.

Frequently asked questions

What is the answer to “Corrosive substance that's used to frost glass”?

The answer is ACID, a 4-letter word. It most recently appeared in the USA Today crossword on July 15, 2026.

How many letters is the answer to “Corrosive substance that's used to frost glass”?

4 letters: ACID.

When did this clue appear?

Most recently in the USA Today crossword on July 15, 2026 (a Wednesday puzzle), at 54-Down.

Can “Corrosive substance that's used to frost glass” have a different answer?

Yes — USA Today sometimes reuses a clue with a different solution to fit the grid. The answers we've recorded for each date it appeared are listed above when available.

Where can I find the rest of this day's USA Today answers?

The full grid for July 15, 2026 is on the USA Today answers page, with every clue and answer from that puzzle.

USA Today Crossword is published by USA Today; WordHint is an independent site and is not affiliated with or endorsed by the publisher.

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