C1 noun /ˈlaɪm.stoʊn/
Lime stone
चूना पत्थर
Meaning
a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement
Example
The ancient building was made of limestone blocks.
प्राचीन इमारत चूना पत्थर की ब्लॉकों से बनी थी