Definition: Archiphonemes are three types of amino acid found in saliva. 1. 2. 3. Definition: The archiphoneme, or "three" type, is a protein component that binds with an enzyme, making it necessary for digestion and metabolism within the body. Each type (I, II, III) contains a specific number of amino acids, which are grouped into three groups - I, II, and III. 1. 2. 3.