limestones is a form of:

Limestone



1.
(LITERARY) ចុណ្ណីសិលា
noun
1.
(rock consisting mainly of calcium carbonate) ចុណ្ណីសីលា (ដែលមានជាតិកំបោរ), ថ្មកំបោរ
ENGLISH MEANING
noun
1.
A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble.