n. A hereditary or constitutional predisposition to a disease or other disorder.
n. Voice (active or passive).
the GNU version of the Collaborative International Dictionary of English
n. Bodily condition or constitution, esp. a morbid habit which predisposes to a particular disease, or class of diseases.
The Century Dictionary and Cyclopedia
n. In medicine, a predisposing condition or habit of body; constitutional predisposition: as, a strumous or scrofulous diathesis.
n. A predisposing condition or state of mind; a mental tendency; hence, a predisposing condition or tendency in anything.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. constitutional predisposition to a particular disease or abnormality
Word Usage
"Yes, Stephen had all the symptoms, what the doctors called the "diathesis," or look of consumption: nearly transparent skin, through which blue veins could be seen ticking, and a haggard face and a cavernous, wheezing chest."