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concretionA compact mass of mineral matter, usually spherical or disk-like in shape and embedded in a host rock of different composition. They form by precipitation of mineral matter about a nucleus such as a leaf, or a piece of shell of bone.
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concretionby 1670s, from French concrétion, from Latin concretionem (nominative concretio), from concretus (see concrete).
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concretionAn aggregate composed of a mass of small crystals that become cemented together, resulting in a rounded, odd form.
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concretionA compact mass of mineral matter, usually spherical or disk-like in shape and embedded in a host rock of different composition. They form by precipitation of mineral matter about a nucleus such as a l [..]
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concretionA compact mass of mineral matter, usually spherical or disk-like in shape and embedded in a host rock of different composition. They form by precipitation of mineral matter about a nucleus such as a l [..]
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concretiona hard, often spherical deposit formed by precipitation of minerals from solution within fine-grained rocks
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concretion(n) the formation of stonelike objects within a body organ (e.g., the kidneys)(n) a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body(n) an increase in [..]
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concretionAn accumulation of mineral matter, formed when particles of silica, pyrite, gypsum, etc. become cemented together into an orderly, rounded, often artificial-looking form.
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concretionA hard, compact mineral-mass of mineral matter that forms usually in sedimentary rock around a center such as bone, shell, leaf, or fossil.
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concretionAggregate composed of a mass of small crystals that become cemented together, resulting in a rounded, odd form.
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concretionA discrete, rounded, nodular mass of rock within sedimentary strata that consists of mineral particles cemented together.
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