chemical
chemical 英 [ˈkemɪkl] 美 [ˈkɛmɪkəl]
n. 化学品 adj. 化学的
名词复数:chemicals
- A chemical is any mix of raw elements: hydrogen + oxygen produce the chemical water. Water is created by a change in the chemistry of hydrogen and oxygen atoms — a chemical change.
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- n. 化学品
- adj. 化学的
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1. a chemical element
化学元素
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2. the chemical industry
化学工业
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3. chemical reactions/processes
化学反应╱过程
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4. The raw sewage is chemically treated.
未经处理的污水要进行化学处理。
- chemical (adj.) 1570s, "relating to chemistry, pertaining to the phenomena with which chemistry deals," from chemic "of alchemy" (a worn-down derivative of Medieval Latin alchimicus; see alchemy) + -al (1). In early use also of alchemy. Related: Chemically. Chemical warfare is attested from 1917.
- chemical (n.) "a substance produced by a chemical process, a chemical agent," 1747, from chemical (adj.). Related: Chemicals.
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