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aluminum ammonium sulfate

American  

noun

Chemistry.

  1. a crystalline solid, AlNH 4 (SO4 ) 2 ⋅12H 2 O, used chiefly as a size in the manufacture of paper; alum.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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