substitution

Other Definitions
substitution (enc)

Noun	1.	substitution - an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood" permutation, replacement, switch, transposition variation, fluctuation - an instance of change; the rate or magnitude of change
	2.	substitution - the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help" commutation, exchange change - the action of changing something; "the change of government had no impact on the economy"; "his change on abortion cost him the election" replacing, replacement - the act of furnishing an equivalent person or thing in the place of another; "replacing the star will not be easy" subrogation - (law) the act of substituting of one creditor for another weaning, ablactation - the act of substituting other food for the mother's milk in the diet of a child or young mammal

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