An endurant.
A determinant formed from a tridiagonal matrix.
A linguistic sound other than a stop.
Continuing; prolonged; sustained.
a soldier fit for duty
approximate; Not describing the fundamental dynamic changes in some system as they happen.
Efficient, serviceable, or operative, available for useful work.
Having no negative coefficients.
Producing a decided or decisive effect.
Having the power to produce a required effect or effects.
Actually in effect.