The phrase "a smaller difference" is correct and usable in written English.
You can use it when comparing two or more items, indicating that the difference between them is less significant than in another comparison.
Example: "The new model shows a smaller difference in performance compared to the previous version."
Alternatives: "a lesser difference" or "a minor difference".
Analysis of the trends in concentration associated with different wind directions showed a smaller difference between windward and leeward sides when leaves were on the trees.
However, to the human ear there is a smaller difference if the sound.
It is intriguing that people with LBP and stiffness could detect a smaller difference in force than healthy controls.
For most geochemical elements, the uncorrected source soil concentrations showed a smaller difference in concentrations relative to the mobilized soil as compared to the corrected source soil.
Unlike Michailidis's 3D reconstruction method and Jeon's 3D reconstruction model, the novel method has a smaller difference in structure size between the geometric model and the real model, and higher efficient.
Compared to the suits with the openings tightened, the suits with the collars and cuffs open showed greater ventilation, but this increase in ventilation made a smaller difference as the air permeability of the fabric increased.
Basically, a smaller difference in activity states means a larger probability of connection.
The ecosystem has an older age profile than Berlin (average = 6 years), but a smaller difference compared to London.
A smaller difference between δ 1 and δ 2 results in a better miscibility of two liquids.
Studies show that "butch" lesbian women and men have a smaller difference in length between their index and ring fingers - a marker of pre-natal exposure to testosterone.
On the other hand, c-ZrO2, having a smaller difference between the (001) and (111) surface energies will expose a mixture of these two orientations originating smoother surfaces.
