Main Entry:

²substitute

Function:

verb

Inflected Form(s):

substitut·ed; substitut·ing

Date:

circa 1594

transitive verb1 a: to put or use in the place of another b: to introduce (an atom or group) as a substituent ; also : to alter (as a compound) by introduction of a substituent <a substituted benzene ring>2: to take the place of : replaceintransitive verb: to serve as a substitute