nonan malaria

no·nan ma·lar·i·a

a malarial fever with paroxysms that occur every ninth day, that is, every eighth day following the preceding paroxysm, the day of each paroxysm being included in the computation.
Farlex Partner Medical Dictionary © Farlex 2012

nonan malaria

An obsolete term for malaria in which the fever paroxysms occur in nine-day cycles (with the first and last days included in the computation).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.