[けっせき, kesseki] (n, adj-no) calculus (concretion of minerals formed inside the body) [Add to Longdo]
Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Concretion \Con*cre"tion\, n. [L. concretio.]
1. The process of concreting; the process of uniting or of
becoming united, as particles of matter into a mass;
solidification.
[1913 Webster]
2. A mass or nodule of solid matter formed by growing
together, by congelation, condensation, coagulation,
induration, etc.; a clot; a lump; a calculus.
[1913 Webster]
Accidental ossifications or deposits of phosphates
of lime in certain organs . . . are called osseous
concretions. --Dunglison.
[1913 Webster]
3. (Geol.) A rounded mass or nodule produced by an
aggregation of the material around a center; as, the
calcareous concretions common in beds of clay.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
concretion
n 1: the formation of stonelike objects within a body organ
(e.g., the kidneys)
2: a hard lump produced by the concretion of mineral salts;
found in hollow organs or ducts of the body; "renal calculi
can be very painful" [syn: {calculus}, {concretion}]
3: an increase in the density of something [syn: {compaction},
{compression}, {concretion}, {densification}]
4: the union of diverse things into one body or form or group;
the growing together of parts [syn: {coalescence},
{coalescency}, {coalition}, {concretion}, {conglutination}]
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