heteroclitic

hetero- +‎ clitic.

heteroclitic (comparative more heteroclitic, superlative most heteroclitic)

1. (linguistics) In linguistics, particularly Indo-European Studies, signifying a stem which alternates between more than one form when declined for grammatical case. Examples of heteroclitic noun stems in Proto-Indo-European include *wod-r/n- "water" (nominoaccusative *wódr; genitive *udnés; locative *udén) and *yék^w-r/n- "liver" (nominoaccusative *yék^wr, genitive *ik^wnés). In Proto-Indo-European, heteroclitic stems tend to be noun stems with grammatically inanimate gender.
2. (microbiology) Pertaining to antibodies that react to a wide variety of antigens.
   • 2011, Eric J. Toone, Advances in Enzymology and Related Areas of Molecular Biology, page 300:

     […] a heteroclitic response was never observed after the immunization with the deamidated peptide […]

• heteroclite
• heteroclitical

heteroclitic (plural heteroclitics)

1. A heteroclitic noun.

• heteroclisis
• heteroclite