Англо-русский Русско-английский биологический словарь - alkali
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Перевод с английского языка alkali на русский
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1.
1. хим. щелочь alkali element —- щелочной металл alkali halides —- щелочегалоиды (поваренная соль) alkali soil —- солончак, сильнощелочная почва alkali disease —- щелочная болезнь (животных) ...Новый большой англо-русский словарь
Англо-русский словарь
Англо-русский Русско-английский научно-технический словарь
Англо-русский строительный словарь
5.
щёлочь - caustic alkali - combined alkali - free alkali - grease alkali - mixed alkali - total alkali - waterless alkali ...Большой Англо-русский Русско-английский политехнический словарь
6.
n. (pl. alkalis) 1 a any of a class of substances that liberate hydroxide ions in water, usu. form caustic or corrosive solutions, turn litmus blue, and have a pH of more than 7, e.g. caustic soda. b any other substance with similar but weaker properties, e.g. sodium carbonate. 2 Chem. any substance that reacts with or neutralizes hydrogen ions. Phrases and idioms alkali metals any of the univalent group of metals, lithium, sodium, potassium, rubidium, and caesium, whose hydroxides are alkalis. Derivatives alkalimeter n. alkalimetry n. Etymology: ME f. med.L, f. Arab. al-kali calcined ashes f. kala fry ...Толковый словарь английского языка Oxford English Reference
7.
noun (plural -lies or -lis) Etymology: Middle English, from Medieval Latin, from Arabic al-qili the ashes of the plant saltwort Date: 14th century 1. a soluble salt obtained from the ashes of plants and consisting largely of potassium or sodium carbonate; broadly a substance (as a hydroxide or carbonate of an ~ metal) having marked basic properties — compare base 7a 2. ~ metal 3. a soluble salt or a mixture of soluble salts present in some soils of arid regions in quantity detrimental to agriculture ...Merriam-Webster Collegiate Dictionary
8.
(alkalis) An alkali is a substance with a pH value of more than 7. Alkalis form chemical salts when they are combined with acids. ? acid N-MASS ...Collins COBUILD Advanced Learner's English Dictionary
Longman Dictionary of Contemporary English
10.
- 14c., from M.L. alkali, from Ar. al-qaliy "the ashes" (of saltwort, a plant growing in alkaline soils), from qalay "to roast in a pan." Alkaline is attested from 1677. ...Английский Этимологический словарь
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