Last Updated：2025/11/19

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(uncountable) A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).

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scum

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Source Word

scum

IPA(Pronunciation)

/skʌm/

Noun

uncountable countable US slang derogatory

(uncountable) A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).

Japanese Meaning

液体（特に溶融金属や水）の表面に形成される、不純物が集まった薄い層

What is this buttons?

After hours of refining the molten aluminum, the workers skimmed off the scum that had collected on the surface.

Google Translation / DeepL Translation

溶けたアルミニウムを何時間も精錬した後、作業員たちは表面にたまった不純物の層をすくい取った。

Details

Sense（1）

(uncountable) A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).

During smelting, scum rises to the surface and is then removed by the smelter.

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Sense（2）

(uncountable) A greenish water vegetation (such as algae), usually found floating on the surface of ponds

These organisms form scum in large quantities.

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Sense（3）

The topmost liquid layer of a cesspool or septic tank.

Sense（4）

(uncountable, slang, chiefly US) Semen.

Horse, who was always talking about facts, said, “Man, that can't be scum, ’cause scum is white.”

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Sense（5）

(derogatory, slang) A reprehensible person or persons.

People who sell used-up pens are scum, just total low-lives.

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scums

（ plural ）

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scum

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