Real-time quantitative PCR (RT-qPCR) has become a definitive technique for quantitating differences in gene expression levels between samples.
But Mr. Blotner's "Faulkner: A Biography," published in 1974, became a definitive source on the Nobel laureate from Oxford, Miss., one that no subsequent biographer could ignore.
Still, Florida has been polled so densely that the overall trend has become clear: Mr. Romney has made larger-than-average gains in the state since the Denver debate, and has now become a definitive favorite there.
Whereas Ms. Peck has it in her to become a definitive Swanilda for her generation, Ms. Hyltin's heroine showed the gifts with which she could light up many other roles in the repertory.
But in recent years she has refocused her attention on Broadway and become a definitive interpreter of Stephen Sondheim, treating his songs (especially his ballads) as the ultimate flowering of the great American songbook.
Over five years and 255 episodes, it has become a definitive listen for trance fans around the world, helping the Dutch DJ to some heady heights offline (he recently played to 26,000 people in LA).
For one thing, Napier-Bell claims such managers encouraged their bands to be more confrontational, stoking the surly, anti-establishment attitude that was to become a definitive part of rock's makeup.
Rich with vintage photography, reproductions of miniature paintings, archive material and essays by leading experts, it covers more than four centuries and promises to become a definitive reference work on the history, setting techniques and culture of Indian jewelry.
As well as championing deep cuts such as the sublimely pervy 7 Ways by Hercules or Vincent Floyd's desperate I Dream You, the label promoted the ghetto house sub-style (think: the filthily jacking DJ Funk or Housemaster Boyz, whose House Nation became a definitive smash).
