Last Updated
：2025/11/21
blackening
Noun
Japanese Meaning
物が黒く変化する行為やその結果としての状態（例：黒ずみや黒変）。 / 黒い汚れやしみ。 / 金属基材に施す、腐食防止のための暗色（通常は黒色）の表面処理。
（ plural ）
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The act or result of turning black in colour; a black stain or mark. / Any of various (dark-colored) surface treatments for metal substrates, to inhibit corrosion; on steel, generally, synonym of bluing.
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blackening
The blackening of the apples after they were cut surprised everyone at the picnic.
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The blackening of the apples after they were cut surprised everyone at the picnic.
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