Also found in: Thesaurus, Medical, Encyclopedia.


n. pl. di·ath·e·ses (-sēz′)
1. A hereditary predisposition of the body to a disease, a group of diseases, an allergy, or another disorder.
2. Grammar See voice.

[Greek, disposition, condition, from diatithenai, diathe-, to dispose : dia-, dia- + tithenai, to place, set; see dhē- in Indo-European roots.]

di′a·thet′ic (dī′ə-thĕt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The Danforth (26) (1888) Classification of Renal Cystic Diseases Diathetic causes Congenital causes Mechanical obstruction, consequent upon disease of the pelvic organs Traumatic causes Pathogenic cysts Table 5.
Besides, this work seeks to establish adequate criteria to identify the conative construction and provides insights into the distribution of diathetic alternations associated to the conative construction in Old English.
She describes the perspective of language family-oriented grammar design, analyzing the concept of shared grammar and such elements of Slavic languages as the case system, then examines the grammatical relatedness of Head-driven Phrase Structure Grammar (HPSG), giving recent developments, arguments, grammatical relations, and diathetic paradigms, and takes on the challenge of Russian infinitival existential constructions with HPSG analysis, developing a metagrammar of systemic relations.