RIF

(redirected from Riffians)
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RIF

Abbreviation for resistance-inducing factor.

RIF

abbreviation for resistance-inducing factor.

RIF

resistance-inducing factor.

RIF test
resistance-inducing factor test for the assay of avian leukosis viruses.
RIF virus
a virus that has the effect of increasing the resistance of an experimental animal or tissue culture against infection by another related virus.
References in periodicals archive ?
Primo refused to accept his resignation and agreed to fight the Riffians until they surrendered.
His battalions set out to defeat the Riffian tribes by destroying their morale with bayonets.
Tourists hire guides at the entrance to the medina, the part of the city that is narrow and twisting and teeming with Arabs and Berbers and Riffians dressed in long gowns, buying and selling everything, strange roots and powders, shoes that turn up at the toes, leather, brass, plastic, baskets, rugs, legal and illegal herbs and spices.