NOUN: "a solid caustic (such as sodium hydroxide)" Crossword Clue

We have the 3-letter answer for NOUN: "a solid caustic (such as sodium hydroxide)" crossword clue, last seen in the Missing Letter Crossword February 20, 2026 puzzle. This answer will help you finish the puzzle you’re working on.

NOUN: "a solid caustic (such as sodium hydroxide)" Crossword Answer

↓15.

Find more clues, hints, and info below.

Hide

Find more clues, hints, and info below.

Helpful Hints

(noun)
1. a strong solution of sodium or potassium hydroxide

Hint 2: Clue Definitions

HYDROXIDE (noun)
1. a compound of an oxide with water
2. a chemical compound containing the hydroxyl group
CAUSTIC (adjective)
1. of a substance, especially a strong acid; capable of destroying or eating away by chemical action
2. harsh or corrosive in tone
CAUSTIC (noun)
1. any chemical substance that burns or destroys living tissue

Hint 3: Anagram

Unscramble the letters below to solve for today's answer.
LEY

More Missing Letter Crossword (2/20/2026) Answers

Across

1. NOUN: "a porridge made usually from buckwheat groats"

6. Tape recorder button letters

9. NOUN: "defensive covering for the body"

10. Language related to Thai

11. "I love you," in Lima

12. Preceding, poetically

13. ADJECTIVE: "brought back"

15. Tolkien epic, briefly

17. GEOGRAPHICAL NAME: "river 4160 miles (6693 kilometers) long in eastern Africa flowing from Lake Victoria in Uganda north into the Mediterranean Sea in Egypt"

20. NOUN: "a stupid or foolish person"

21. NOUN: "a separate piece of news or information"

22. NOUN: "a public...show"

23. ADJECTIVE: "very great in size, amount, degree, intensity, or especially in extent or range"

24. Traffic light color

26. Pink drink

28. NOUN: "a large bay window projecting from a wall and supported by a corbel or bracket"

31. Gallery pieces

32. August: __ County

33. NOUN: "a fluid (such as air) that has neither independent shape nor volume but tends to expand indefinitely"

34. NOUN: "a projecting member in a piece of wood or other material for insertion into a mortise to make a joint"

All Answers

Down

1. Half a candy bar?

2. "What ___ you up to these days?"

3. NOUN: "know-it-all"

4. NOUN: "a [place] where pupils report especially at the beginning of each school day"

5. He had 2,086 RBI

6. NOUN: "one whose normally meatless diet occasionally includes meat or fish"

7. NOUN: "a period of...armed conflict"

8. NOUN: "the adult female of various mammals (such as a deer, rabbit, or kangaroo) of which the male is called buck"

14. NOUN: "the whole body of things and phenomena observed or postulated"

16. Non-winning tic-tac-toe line

18. The, in Paris

19. Letters for a lifesaver

25. NOUN: "a fitted covering (as of leather or rubber) for the foot that usually reaches above the ankle"

26. VERB: "to execute a...sharp turn"

27. Nest egg fund

29. Motivating force

30. Goodman or Wiseman

All Answers