| 单词 | alum |
| 释义 | alum noun[U] chemistryspecializeduk/ˈæl.əm/us/ˈæl.əm/achemicalsubstancecontainingaluminiumused indyeing(=changingthecolourof something)and as anastringent(=substancethatcausesskintotighten) 明矾，矾（含铝的化学物质，作为染色剂或收敛剂）Chemicals, chemical compounds & gases
Examplesofalumalum Thealumreacts with moisture in the air to break down the cellulose woodfibresthat give paper its structural strength. From theCambridge English Corpus Tissue used for light microscopy was mounted on gelatin-chromealum-coated slides, cleared, coverslipped, and examined under a light microscope. From theCambridge English Corpus These sections are well exposed with three to four levels of stinkstone within a homogeneous succession ofalumshale. From theCambridge English Corpus The sizerman gathered this paper and immersed it in an emulsion of hides, hoofs, tripe, andalum. From theCambridge English Corpus External walls of two glass skins contained, between them, a supersaturated solution ofalumdesigned to harness phase change energy to maintain a constant internal climate. From theCambridge English Corpus A booster dose actually consists of half a cubic centimetre ofalumprecipitated toxoid or one cubic centimetre of toxoid antitoxin floccules. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The present laws on adulteration came from a cruder age when the treacherous trader mixedalumwith his flour and sand with his brown sugar. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 An ordnance survey of my division shows oldalummines there. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 An adjoining property was being demolished by the corporation in connection with theiralumclearance scheme. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Some common astringent agents includealum, acacia, sage, yarrow, witch hazel, bayberry, distilled vinegar, very cold water, and rubbing alcohol. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.A more gentle treatment calls for 5-10 tablespoons ofalumto 1 gallon of water for 23 days. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.He received his undergraduate degree in communication while graduating with honors in 1991, and is listed as one of the soccer program's top 25 alums. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Early papermakers did not realize that thealumthey added liberally to cure almost every problem encountered in making their product would eventually be detrimental. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.O yields after 30 subsequent steps pure rubidiumalum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The route was used mainly to haul chemicals such as coal, powderedalum, chlorine, ammonia, and sand. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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