concretion

concretion — 名詞

1. a hard lump made when separate material slowly gathers and sticks together into

1.名詞C2
釋義

凝結塊

物質聚集硬化後形成的硬塊

a hard lump made when separate material slowly gathers and sticks together into one piece.

例句

During the experiment, a white concretion formed at the bottom of the jar.

實驗過程中，罐底形成了一塊白色凝結塊。

pattern: a concretion formed at the bottom of [container]

The plumber broke apart a greasy concretion blocking the old kitchen pipe.

水電工敲碎了堵住舊廚房水管的油膩凝結塊。

collocation: break apart a concretion blocking a pipe

常見搭配
  • form a concretion
  • a concretion in the pipe
  • a chalky concretion
同義詞
  • deposit

    broader term for material left behind on a surface or inside equipment

  • lump

    everyday word that does not suggest a slow forming process

  • mass

    general and neutral; often used when the exact type is unknown

文法句型

a concretion forms

a concretion in + place

用法筆記

Usually used in scientific, historical, or technical description. It often refers to matter that hardens inside equipment, soil, or sediment rather than an ordinary soft lump.

常見錯誤

The bruise left a concretion on my arm.
The bruise left a swelling on my arm.
concretion refers to material that hardens into a lump, not a soft injury bump.

2. a stone-like lump that develops inside the body, for example in the kidney or ga

2.名詞C2
釋義

結石

體內形成的石狀硬塊

a stone-like lump that develops inside the body, for example in the kidney or gallbladder.

例句

The scan showed a small concretion in Leo's kidney.

掃描顯示 Leo 的腎臟裡有一顆小結石。

pattern: a concretion in [body part]

Doctors removed the concretion after it blocked Samir's bile duct.

Samir 的膽管被堵住後，醫師把那顆結石取了出來。

collocation: remove a concretion after blockage

常見搭配
  • a concretion in the kidney
  • remove a concretion
  • prevent a concretion from forming
同義詞
  • stone

    the everyday medical word, especially in names like kidney stone

  • calculus

    technical medical term used in specialist writing

  • deposit

    broader and less specific about the body-organ setting

文法句型

a concretion in + body part

remove a concretion

用法筆記

Medical writing often uses more specific names such as kidney stone or gallstone. This sense is narrower than sense 1 because it refers only to a hard mass that forms inside the body.

常見錯誤

The mosquito bite became a concretion on my arm.
The mosquito bite became a swollen bump on my arm.
concretion is used for a hard stone-like mass inside the body, not a surface bite.

3. a rounded piece of mineral material inside rock that is made of different matter

3.名詞C2
釋義

岩結核

岩石內與周圍成分不同的礦物團塊

a rounded piece of mineral material inside rock that is made of different matter from the rock around it.

例句

The geologist split the rock and pointed to a round concretion inside.

地質學家剖開岩石，指給大家看裡面一顆圓形岩結核。

pattern: split the rock and point to a concretion

Students passed around a dark concretion from the cliff near Hualien.

學生們傳看一顆來自花蓮附近峭壁的深色岩結核。

context: field study sample from a cliff

常見搭配
  • a round concretion
  • a concretion in the rock
  • split open a concretion
同義詞
  • nodule

    closest technical match; often used for a small rounded mineral lump

  • mineral mass

    descriptive phrase rather than a fixed geological term

  • deposit

    broader term that does not specifically suggest a rounded lump in rock

文法句型

a concretion in rock

split open a concretion

用法筆記

Used in geology. Unlike sense 1, this sense usually names a naturally enclosed lump inside rock, often studied after the rock is split open.

4. the process in which loose material comes together and becomes a tighter, more s

4.名詞C2
釋義

固結

物質聚合並變得更緊密堅硬的過程

the process in which loose material comes together and becomes a tighter, more solid mass.

例句

Heat and pressure speed up the concretion of wet mud.

熱和壓力會加快濕泥的固結。

pattern: the concretion of [material]

The report describes the concretion of ash into a solid crust.

報告描述了灰燼固結成硬殼的過程。

pattern: concretion of [material] into [result]

常見搭配
  • the concretion of minerals
  • speed up concretion
  • signs of concretion
同義詞
  • solidification

    broader term for becoming solid, whether or not separate matter gathers together

  • compaction

    focuses on pressing material closer together

  • aggregation

    stresses pieces gathering into a group, not always hardening

文法句型

the concretion of + substance

concretion into + result

用法筆記

Mostly used in technical explanation, especially with 'of' phrases such as 'the concretion of minerals'. It names the process, not the finished lump described in senses 1 to 3.

同根字