There are 31 solutions. The longest is CALCIUM CARBONATE with 16 letters, and the shortest is CALP with 4 letters.
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Yes, "LIMESTONE" is currently trending (last update: 16 Dec 2025). Many solvers seem to find this clue challenging! Other clues with traffic peaks today are: ___ States, Call it quits, bluff, Painter Vermeer and Burst of light.
Solutions are between 4 and 16 letters long.
| Clue | Answer |
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| Rock of calcium carbonate (9) | |
| Concrete ingredient (9) | |
| Stalactite's make-up (9) | |