The phrase "a conceptual category" is correct and usable in written English.
It can be used when discussing classifications or frameworks that help to organize ideas or concepts within a particular field or discipline.
Example: "In philosophy, a conceptual category can help to clarify the distinctions between different types of knowledge."
Alternatives: "an abstract classification" or "a theoretical grouping".
Yet sexual difference was not completely stable as a conceptual category across the spectrum of formative Christian thinking.
The sawhorses erected across Fourteenth Street last week reinstated a conceptual category of New York life that has, in recent years, become almost entirely meaningless: the uptown-downtown divide.
Finally, emphasizing the identification of territory as a conceptual category to study their processes and forms of apprehension, as well as the concepts and current ideas in construction and territorial management.
The fact that Tony Smith managed to ensconce himself at an event that clearly didn't have a conceptual category suggests that they were beguiled by his triumph at Hampton Court last year where his garden "In Digestion" won Best in Show in the conceptual category.
The second observation is that the notion of 'functionings' is a conceptual category that is in itself morally neutral.
Geoffrey Lloyd and Nathan Sivin (2002) note that "nature" was not a conceptual category in early China.
Each theme is grouped into a primary conceptual category (a-g).
If pressed, they considered throwing out the hammer; the situation of chopping wood seemed more cogent to them than any conceptual category.
Word frequency facilitates performance on semantic decision tasks (e.g., deciding if a word denotes an object belonging to a particular conceptual category), suggesting that semantic information is more easily available for high-frequency words (Monsell et al. 1989; Chee et al. 2002).
Part of creating a more sensible notion may be according home ownership a new conceptual category as more than a piggy bank for young American families -- that private property is an assertion of one's individual rights.
In Haxby's block-design experiment, each subject contains 12 fMRI runs; in each run, eight stimulus blocks, each displaying image exemplars from a different conceptual category were displayed to the subject in a random order, as described in Fig. 1 (upper left).
