DELIRIUM n.
tate in which the thoughts, expressions, and actions are wild, irregular, and incoherent; mental aberration; a roving or wandering of the mind, -- usually dependent on a fever or some other disease, and so distinguished from mania, or madness.
DERIVATIVE a. 2 definitions
Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word. Derivative circulation, a modification of the circulation found in some parts of the body, in which the arteries empty directly into the…