double decomposition


noun Chemistry.

a reaction whose result is the interchange of two parts of two substances to form two new substances, as AgNO3 + NaCl → AgCl + NaNO3.

Origin of double decomposition

First recorded in 1865–70
Also called metathesis.
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British Dictionary definitions for double decomposition

double decomposition

noun

a chemical reaction between two compounds that results in the interchange of one part of each to form two different compounds, as in AgNO 3 + KI → AgI + KNO 3Also called: metathesis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012