Definition of alum
WebJun 15, 2024 · Alum is a common coagulant and as well as a generic name for a variety of aluminum compounds that are combinations of aluminum sulfate and group IA metal sulfates. It is a hydrated form of potassium aluminum sulfate and has the chemical formula KAl (SO 4) 2 ·12H 2 O. However, any of the compounds with the empirical formula AB … WebJan 16, 2024 · Alumni actually is the plural form of alumnus, a Latin word that means a graduate or former student of an educational institution. Although alumnus usually refers to academics, it can also mean a former …
Definition of alum
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WebAluminium (aluminum in North American English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals ; about one-third that of steel . WebAlumn synonyms, Alumn pronunciation, Alumn translation, English dictionary definition of Alumn. n. pl. a·lum·ni A male graduate or former student of a school, college, or university.
WebJan 25, 2024 · Aluminium-based alums have various common chemical properties. Some of them are discussed below: Mostly Sodium alums are water-soluble. At the same time, Rubidium and Caesium alums are sparingly soluble in water. Alums have a sweet taste. Alum react acid to litmus; they turn blue litmus to red. Webalum in British English. (ˈæləm ) noun. 1. Also called: potash alum. a colourless soluble hydrated double sulphate of aluminium and potassium used in the manufacture of mordants and pigments, in dressing leather and sizing paper, and in medicine as a styptic and astringent. Formula: K 2 SO 4 .Al 2 (SO 4) 3 .24 H 2 O. 2.
WebJan 12, 2015 · Alumni of the University of Oxford are former students who have matriculated. An alumnus (masculine, plural alumni) or alumna (feminine, plural alumnae) is a former student or pupil of a school, college, or university. Commonly, but not always, the word refers to a graduate of the educational institution in question. Webalum, any of a group of hydrated double salts, usually consisting of aluminum sulfate, water of hydration, and the sulfate of another element. A whole series of hydrated double …
WebAug 30, 2024 · Alum. The word “alum” is meant to be a more informal reference to an individual male or female graduate. This is a helpful word to use in informal communications when you might frequently forget the …
head start carson cityWebAlum definition, a crystalline solid, aluminum potassium sulfate, K2SO4⋅Al2(SO4)3⋅24H2O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes. See more. head start casper wyomingWebThe name is derived from the Latin name for alum, 'alumen' meaning bitter salt. Allotropes Al Aluminium 13. 26.982 Glossary. Group A vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell. ... goldwin capWebDefinition of Alum in the Definitions.net dictionary. Meaning of Alum. What does Alum mean? Information and translations of Alum in the most comprehensive dictionary … goldwin capitalWebAn alum ( / ˈæləm /) is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula XAl (SO. 4) 2·12 H. 2O, where X is a monovalent cation such as potassium or ammonium. … goldwin cargo shortsWebThe meaning of ALUM is a potassium aluminum sulfate KAl(SO4)2·12H2O or an ammonium aluminum sulfate NH4Al(SO4)2·12H2O used especially for its astringent and styptic properties. How to use alum in a sentence. … goldwin casino bonusWebRetrieved 2024-10-29. ^ "Alumni – Definition from the Free Merriam Webster Dictionary". Merriam-webster.com. 2010-08-13. Retrieved 2011-02-15. 1: A person who has attended or has graduated from a particular school, college, or university. 2: a person who is a former member, employee, contributor, or inmate. ^ "Alumnus – definition of ... goldwin camp