LIMESTONE

limestone

(noun) a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals

Source: WordNet® 3.1

Etymology

Noun

limestone (countable and uncountable, plural limestones)

An abundant rock of marine and fresh-water sediments; primarily composed of calcite (CaCO₃); it occurs in a variety of forms, both crystalline and amorphous.

Synonyms

• lime

• calcium carbonate

Hyponyms

• (mineralogy): bluestone, burrstone, calp, coquina, coral rag, chalk, malm, marble, travertine, tufa

Adjective

limestone (not comparable)

Made of or with limestone.

Anagrams

• lemoniest, milestone

Source: Wiktionary

Lime"stone`, n.

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition