alkali
Longman Dictionary of Contemporary English 5++LDOCE 5++al·ka·li /ˈælkəlaɪ/ noun [countable, uncountable] HCa substance that forms a chemical salt when combined with an acid 碱 → acid
Examples from the Corpus
alkali• Amines can be prepared by heating and alkyl ammonium salt with an alkali.• When an acid and alkali react together the result is a salt and water.• A different alkali would have been used for the manufacture of later soda glasses.• Electron microprobe element maps show the distribution and quantity of alkali feldspar in the fine-grained groundmass of the altered basalts.• By 1880 he was recognized as an international authority on alkali manufacture.• This is consistent with glass technology at the time-the principal alkali used was also soda.• In 1895 he entered the alkali business.Origin alkali (1300-1400) Medieval Latin Arabic al-qili “the ashes (of a particular plant from which a type of alkali was obtained)”al·ka·li nounChineseSyllable
substance a forms when Corpus chemical salt a that
alkali
al‧ka‧li /ˈælkəlaɪ/
noun [uncountable and countable]
al‧ka‧li /ˈælkəlaɪ/
noun [uncountable and countable] Date: 1300-1400
Language: Medieval Latin
Origin: Arabic al-qili 'the ashes (of a particular plant from which a type of alkali was obtained)'
a substance that forms a chemical salt when combined with an acid ⇨ acid
Language: Medieval Latin
Origin: Arabic al-qili 'the ashes (of a particular plant from which a type of alkali was obtained)'