The phrase "a definitive difference in" is correct and usable in written English.
It can be used when discussing a clear or distinct contrast between two or more things.
Example: "There is a definitive difference in the quality of service between the two hotels."
Alternatives: "a clear distinction in" or "a marked difference in".
"We misunderstand intelligence when we think of it as a unidimensional quality -- or in terms of the math and verbal scores on the SAT," Mr. Hiss said recently, adding that Bates seeks out students who have shown "disciplined success" in a variety of areas, including those who write exceptional application essays or who have made a definitive difference in their communities.
A definitive difference in g-factor was found before and after the minimum intensity, suggesting the generation of a new type of radical.
This claim is hard to prove one way or the other, though many market participants, yours truly among them, don't see a definitive difference in fill quality now v 2009.
But experts agree that the last time presidential debates made a definitive difference was in 1960, when John F. Kennedy came off, or at least looked, far smoother than Richard M. Nixon.
A definitive difference was reported in another article about the expression of CD133 in gastric cancer [ 23].
In addition, there is a lack of clarity in the literature as to whether there is a definitive difference between the effects of vitamins D2 and D3 on raising the serum 25-hydroxyvitamin D levels in humans [ 22].
This definitive difference in homogeneity was clear when we displayed patient PC scores (heatmaps), grouped by cluster and ILAR subtype, and linkages (ribbons) between these 2 classification schemes using a Circos diagram.
Moreover, we show that the definitive differences in subcortical GABAergic and glutamatergic inputs to these motor thalamic neurons are better reflected in their distinct firing patterns, and particularly, their temporal coupling to low-frequency oscillations in the motor cortex.
The definitive difference between a head coach and an assistant is the interaction with players.
Capreomycin (Table 3) was most active against strain H37Rv at concentrations of 8.0 and 4.0 μg/ml (p = 0.002 and p = 0.004, correspondingly) with definitive difference from the curve of decline in the control (p = 0.003 and p = 0.009, correspondingly).
So we ended up having our definitive difference.
