substitution (noun)
1substitution — substitute ► NOUN 1) a person or thing acting or serving in place of another. 2) a sports player eligible to replace another after a match has begun. ► VERB 1) use, add, or serve in place of. 2) replace with another. 3) replace (a sports player)… …
2substitution effect — ➔ effect * * * substitution effect UK US noun [S] ECONOMICS, COMMERCE ► the effect of a change in the price of a product or service, which encourages customers to buy another product or use another service instead …
3substitution reaction — noun a reaction in which one functional group is replaced with another See Also: nucleophilic substitution, electrophilic substitution …
4substitution vein — noun or substitution deposit : a metalliferous vein formed by the partial or complete substitution of the vein material for the original rock or mineral called also replacement vein …
5substitution product — noun A substance obtained by substitution of so many equivalents for certain atoms or groups • • • Main Entry: ↑substitute …
6substitution — noun Etymology: Middle English substitucion, from Middle French, from Late Latin substitution , substitutio, from substituere Date: 14th century 1. a. the act, process, or result of substituting one thing for another b. replacement of one… …
7substitution code — noun A substitution cipher …
8substitution cipher — noun a method of encryption by which units of plaintext are substituted with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth.… …
9substitution — noun 1. an event in which one thing is substituted for another (Freq. 1) the replacement of lost blood by a transfusion of donor blood • Syn: ↑permutation, ↑transposition, ↑replacement, ↑switch • Derivationally related forms: ↑ …
10substitution instance — noun : a statement in logic derived from a statement form by substitution of constants for variables …