"more precise definition" is correct and usable in written English.
You can use it when you want to provide a more specific explanation of a concept or idea. For example, "Happiness is a complex emotion, so to provide a more precise definition, we can say it is a feeling of contentment and satisfaction."
Some more precise definition is needed.
Economists, understandably enough, seek a more precise definition.
So too is any more precise definition of the syllable in phonetics and phonology.
So even the courts — or the Congress, I don't know who it is — are reluctant to give us a more precise definition, and until we have a more precise definition of exactly what we mean, we'll have to interpret it ourselves or our lawyers have to interpret it for us.
A more precise definition of dyslexia would clearly identify the disabilities that go along with it, while recognizing the associated abilities as well.
A more precise definition is impossible because the activities of applied psychology range from laboratory experimentation through field studies to direct services for troubled persons.
The more precise definition breaks it down thusly: "The raw meat materials used for precooked-cooked products are lower-grade muscle trimmings, fatty tissues, head meat, animal feet, animal skin, blood, liver and other edible slaughter by-products".
As far as it goes, there is much truth in this naive view of things, but it cannot be pursued beyond this point without a much more precise definition of disorder.
A new constitution containing a more precise definition of both the religious and the sovereign status of the order was adopted in 1961, and a code was issued in 1966.
A more precise definition can be given based on curvature or based on distance functions [44].
We now give a more precise definition of Tweet-Retweet-Follow events.
