DECOMPOSITION

decomposition. Decomposition, n. a separation of parts chemically combined

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De‐com′po‐si″tion (?), n. [[Pref. de- (in sense 3 intensive) + composition: cf. F. décomposition. Cf. Decomposition.]] 1. 1. The act or process of resolving the constituent parts of a compound body or substance into its elementary parts; separation into constituent part; analysis; the decay or dissolution consequent on the removal or alteration of some of the ingredients of a compound; disintegration; as, the decomposition of wood, rocks, etc.
2. 2. The state of being reduced into original elements.
3. 3. Repeated composition; a combination of compounds.
Decomposition of forces. Same as Resolution of forces, under Resolution. — Decomposition of light, the division of light into the prismatic colors.