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concretion    
n. 凝固,凝固物,結石

凝固,凝固物,結石

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" [synonym: {calculus}, {concretion}]
3: an increase in the density of something [synonym: {compaction},
{compression}, {concretion}, {densification}]
4: the union of diverse things into one body or form or group;
the growing together of parts [synonym: {coalescence},
{coalescency}, {coalition}, {concretion}, {conglutination}]

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英文字典中文字典相關資料:
  • Concretion - Wikipedia
    A concretion is a hard and compact mass formed by the precipitation of mineral cement within the spaces between particles, and is found in sedimentary rock or soil [1]
  • Concretions: What Are These Bizarre Rock Formations? (And . . .
    Concretions are formed through the precipitation of minerals in sediment before it hardens Essentially, they became mineralized before the rest of the surrounding rock Concretions form early on in the sedimentary stone cycle if they’re present
  • Concretions - Paleontological Research Institution
    Concretions are commonly misunderstood geologic structures Often mistaken for fossil eggs, turtle shells, or bones, they are actually not fossils at all but a common geologic phenomenon in almost all types of sedimentary rock, including sandstones, shales, siltstones, and limestones
  • Cannonball Concretions - U. S. National Park Service
    When mineral rich water seeps down through the porous layers that make up the badlands, it can deposit those minerals in spaces or gaps in the sediments The minerals act as a kind of glue, holding these sediments together, often forming around a core
  • What Is A Concretion? - WorldAtlas
    A concretion is a hard mass that forms when rock minerals precipitate in cracks or cavities, or through the build-up of sediment
  • CONCRETION Definition Meaning - Merriam-Webster
    The meaning of CONCRETION is something concreted How to use concretion in a sentence
  • Concretions Picture Gallery - ThoughtCo
    A concretion consists of the same material as the rock around it, plus the cementing mineral, whereas a nodule (like flint nodules in limestone) is composed of different material Concretions can be shaped like cylinders, sheets, nearly perfect spheres, and everything in between Most are spherical
  • Concretions - DesertUSA
    A concretion is a compact mass of mineral matter, usually spherical or disk-shaped, embedded in a host rock of a different composition This hard, round mass of sedimentary rock cement is carried into place by ground water
  • Exploring Concretion: Formation, Types, and Importance
    Concretions are solid masses of mineral matter that form within sedimentary rocks and sediments, often taking on a range of shapes and sizes They typically arise when sediment undergoes chemical alteration
  • 37 Facts About Concretion
    What is a concretion? Concretions are natural rock formations that often look like they were sculpted by an artist They form when minerals precipitate around a core, usually a fossil or organic material, creating a hard, compact mass





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