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单词 concretion
释义
con·cre·tion (kən-krēshən)
n.
1.
a. The act or process of concreting into a mass; coalescence.
b. The state of having been concreted: a concretion of seminal ideas in her treatise.
2. A solid hard mass.
3. Geology A rounded mass of mineral matter found in sedimentary rock.
4. Medicine A solid mass, usually composed of inorganic material, formed in a cavity or tissue of the body; a calculus.

con·cretion·ary (-shə-nĕrē) adj.
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更新时间:2025/3/22 9:56:40