alkali

noun

/ˈælkəlaɪ/

[countable, uncountable] (chemistry化学)

a chemical substance that reacts with acids to form a salt and gives a solution with a pH of more than seven when it is dissolved (= mixed with a liquid and becoming part of it) in water碱 compare acidTopics Physics and chemistryc2
词源late Middle English (denoting a saline substance derived from the ashes of various plants, including glasswort, a salt-marsh plant formerly used to make glass): from medieval Latin, from Arabic al-qalī ‘calcined ashes (of the glasswort etc.), reduced through exposure to strong heat’, from qalā ‘fry, roast’.

词汇	alkali
释义	alkali noun /ˈælkəlaɪ/ /ˈælkəlaɪ/ [countable, uncountable] (chemistry化学) a chemical substance that reacts with acids to form a salt and gives a solution with a pH of more than seven when it is dissolved (= mixed with a liquid and becoming part of it) in water碱 compare acidTopics Physics and chemistryc2 词源late Middle English (denoting a saline substance derived from the ashes of various plants, including glasswort, a salt-marsh plant formerly used to make glass): from medieval Latin, from Arabic al-qalī ‘calcined ashes (of the glasswort etc.), reduced through exposure to strong heat’, from qalā ‘fry, roast’.
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