Last Updated：2025/11/27

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(organic chemistry) A brown amorphous substance found in decaying vegetation.

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See correct answer

ulmin

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Source Word

ulmin

countable uncountable

(organic chemistry) A brown amorphous substance found in decaying vegetation.

Japanese Meaning

有機化学分野において、腐敗した植物由来の茶色い非晶質の物質

What is this buttons?

The soil sample contained a significant amount of ulmin, which gave it a dark, sticky texture.

Google Translation / DeepL Translation

土壌試料には、枯れた植物に見られる褐色の無定形物質が多く含まれており、それが暗く粘着性のある質感を与えていた。

Sense（1）

(organic chemistry) A brown amorphous substance found in decaying vegetation.

The biological features of perennial grasses involve the decomposition of their residues during the period of domination of anaerobic processes, capable of producing active humus (ulminic acid and ulmin).

Google Translation / DeepL Translation

ulmins

（ plural ）

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