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化學需氧量

简化学需氧量 · 繁化學需氧量

Mandarin · pinyin huà xué xū yǎng liàng

(environmental science) chemical oxygen demand; COD

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Characters in this entry

化: huà · change, convert, reform; -ize
學: xué · learning, knowledge; school
需: xū · need, require, must; hexagram ䷄
氧: yǎng · oxygen (element 8, O)
量: liàng · measure, quantity, capacity
学: xué · learning, knowledge; school

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–2–1–3–4 · hua4 xue2 xu1 yang3 liang4

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Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

化學需氧量 · find source passages ↗ · 化学需氧量 · find source passages ↗

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Compare dictionary sources 1 Cantonese reading

Rime Cantonese 粵拼

faa3 hok6 seoi1 joeng5 loeng6

Cantonese word readings for 化學需氧量. This lexicon supplies readings, not definitions.

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