Protomorphic
Pronunciation : Pro`to*mor"phic
Part of Speech : a.
Etymology : [Proto- + Gr. (Biol.)
Definition : Defn: Having the most primitive character; in the earliest form; as, a protomorphic layer of tissue. H. Spencer.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder