The phrase "definitive determination" is correct and usable in written English.
You can use it when referring to a conclusion or opinion that is certain and final. For example, "After considering all the evidence, the judge made a definitive determination that the defendant was guilty."
All those factors set off a chaotic evolution that defies definitive determination of cause and effect.
It is usually not possible to make a definitive determination" about what role gene therapy played in the deaths.
But the analysts evidently didn't feel that they had any single report that allowed them to make a definitive determination about the nature of the attack.
There were no witnesses to the shooting and no definitive determination of which man could be heard yelling for help in the background of a 911 call.
Since they are older, any obvious volcanoes or other volcanic features may have been eroded or otherwise obliterated, making a definitive determination more difficult.
The fate of that artwork, Justice David B. Saxe wrote in his opinion, illustrates "the inability of our legal system to provide a definitive determination of authenticity such as is sought by plaintiff".
While the local eQTL are putatively cis-acting, it is not possible to make definitive determinations from the current map resolution with the available genomic sequence and marker density.
However, definitive determinations of cell numbers, cell types and basic functionality must be based on total protein or cell content and can only be provided by sacrificing devices to measure those parameters or to make histological observations directly in extracted cellular material.
To settle such disputes would require a definitive assessment of the conceptions of equality of opportunity and an authoritative determination of the weight that equality of opportunity on its various construals should have against other justice values.
Some of these petitioners have been in custody for six years with no definitive judicial determination as to the legality of their detention.
Definitive qualitative determination of their formation was obtained through both CE and MS results (Fig. 3, sample 4).
