Limestone Definition

līmstōn
noun
A sedimentary rock consisting mainly of calcium carbonate, often composed of the organic remains of sea animals, as mollusks, corals, etc., and used as building stone, a source of lime, etc.: when crystallized by heat and pressure it becomes marble.
Webster's New World
adjective
Made of or with limestone.
Wiktionary

Other Word Forms of Limestone

Noun

Singular:
limestone
Plural:
limestones

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