anorexia has definitions from the fields of medicine,psychiatry
1
[ noun ] (medicine,psychiatry) a prolonged disorder of eating due to loss of appetite

Used in print

(J. W. C. Hagstrom et al., "Debilitating muscular...)

Repeated attempts to withdraw steroids entirely were unsuccessful because increased muscle weakness resulted , as_well_as fever , malaise , anorexia , anxiety , and an exacerbation of the anemia .

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