1. 凝结物,结石：concluding a contract 缔结合同 | concretion 凝结物,结石 | concurrent 同时的,并行的
2. 固结：concreting 灌筑混凝土 | concretion 固结 | concussion blasting 震动性放炮
3. 结核(作用)：concentric zone theory同心圆地带论 | concretion结核(作用) | condensation凝结
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noun
1. the union of diverse things into one body or form or group
the growing together of parts
Synonym: coalescence coalescency coalition conglutination
2. concretion是什么意思
2. an increase in the density of something
Synonym: compaction compression densification
3. a hard lump produced by the concretion of mineral salts
found in hollow organs or ducts of the body
e.g. renal calculi can be very painful
Synonym: calculus
4. the formation of stonelike objects within a body organ (e.g., the kidneys)