[ adjective ] recurring again and again


recurrent perennial


"perennial efforts to stipulate the requirements"

Used in print

(Jaroslav Pelikan, The Shape of Death: life, death and...)

The repeated efforts in Christian history to describe death as altogether the consequence of human sin show that these two aspects of death cannot be separated .

(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 .

(E. Gellhorn, "Prolegomena to a theory of the emotions"...)

In other studies , loss of differentiation in previously established conditioned_reflexes resulted from repeated convulsive ( metrazol ) treatments , suggesting a fundamental disturbance in the balance between excitatory and inhibitory cerebral processes .

(Kenneth Hoffman and Ray Kunze, Linear Al...)

Such an operator is obviously the zero operator ; for since it is nilpotent , the minimal polynomial for this operator is of the form * * f for some * * f ; but then since the operator is diagonalizable , the minimal polynomial cannot have a repeated root ; hence * * f and the minimal polynomial is simply x , which says the operator is 0 .

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