and plural) as well as the nominative plural and the instrumental singular. Thus, allomorphy was no longer directly relatable to phonological processes. Phonological conditioning also accounts for the form in the instrumental plural in which the assimilates in voicing to the following . History The term was originally used to describe variations in chemical structure. It was first applied to language (in writing) in 1948, by Fatih Şat and Sibel Merve in Language XXIV. See also Null allomorph Alternation (linguistics) Allophone Consonant mutation Grassmann's Law Suppletion References Linguistic morphology Units of linguistic morphology Linguistics terminology