Simple Definition of substitution
: the act of substituting or replacing one person or thing with another
: someone or something that is or can be substituted for another
Full Definition of substitution
Examples of substitution
The coach made three substitutions in the second half of the game.
I'd prefer rice with my steak instead of potatoes, but the menu says “no substitutions.”
Substitution of applesauce for oil is one way of reducing the fat in recipes.
The cookbook has a long list of substitutions for ingredients that may be hard to find.
Origin of substitution
Middle English substitucion, from Middle French, from Late Latin substitution-, substitutio, from substituere
First Known Use: 14th century
Rhymes with substitution
absolution, allocution, attribution, comminution, consecution, constitution, contribution, convolution, destitution, dissolution, distribution, elocution, evolution, execution, exsolution, institution, involution, persecution, prosecution, prostitution, resolution, restitution, retribution, revolution, Rosicrucian
Medical Definition of substitution
1: a chemical reaction in which one or more atoms or groups in a molecule are replaced by equivalent atoms or groups to form at least two products; especially : the replacement of hydrogen in an organic compound by another element or group
2a: the turning from an obstructed desire to another desire whose gratification is socially acceptableb: the turning from an obstructed form of behavior to a different and often more primitive expression of the same tendency <a substitution neurosis>c: the reacting to each of a set of stimuli by a response prescribed in a key <a substitution test for speed of learning new responses>
Learn More about substitution
Medical Dictionary: Definition of "substitution" Spanish Central: Translation of "substitution" Nglish: Translation of "substitution" for Spanish speakers Britannica English: Translation of "substitution" for Arabic speakers Britannica.com: Encyclopedia article about "substitution"
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