Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: substitute
Next word: substitutive
Definition of: substitution
(sub′stə·t′shən, -ty′-) noun
1. The act of substituting, or the state of being substituted.
2. Chem. Any reaction which involves the replacement of certain elements or radicals by others: said especially of organic compounds.
—sub′sti·tu′tion·al adjective
—sub′·sti·tu′tion·al·ly adverb
Comment about this word, ask questions, or add new information about this topic: