Hay 2 definiciones de alum en inglés:

alum1

Silabificación: a·lum
Pronunciación: /ˈaləm
 
/

sustantivo

Chemistry
  • 1A colorless astringent compound that is a hydrated double sulfate of aluminum and potassium, used in solution medicinally and in dyeing and tanning. Also called potash alum.
    • Chemical formula: AlK(SO4)2.12H2O
    Más ejemplos en oraciones
    • It could also be treated by rubbing salt, brain or potash alum into the surface to produce a very pale leather.
    • Astringent varieties contain alum, which makes your mouth pucker when the fruits are eaten before they're fully ripe.
    • I have no idea how it's manufactured, but it's a kind of alum, a double sulfate of aluminum in crystal salt form.
  • 1.1Any of a number of analogous crystalline double sulfates of a monovalent metal (or group) and a trivalent metal.
    Más ejemplos en oraciones
    • Several decades later the Englishman Davy attempted to obtain the metal hidden in alums.
    • Aluminium dross tailings were used to produce two types of alums.

Origen

late Middle English: via Old French from Latin alumen, alumin-; related to aluta 'tawed leather'.

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Palabra del día coloratura
Pronunciación: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody

Hay 2 definiciones de alum en inglés:

alum2

Silabificación: a·lum
Pronunciación: /əˈləm
 
/

sustantivo

informal
  • An alumnus or alumna: a fellow Wellesley alum

Origen

early 20th century: abbreviation.

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