"fixed definition" is correct and usable in written English.
You can use it when you want to refer to a meaning or definition of something that is certain and cannot be changed. For example, "The dictionary provided a fixed definition of the word 'frenetic'."
The fundamental error of those who insisted on a narrow definition of Americanism, as Bourne saw it, was believing that Americanism had any fixed definition at all.
Despite the fact that researchers have been studying middle age intensively for decades, the term itself seems to have no fixed definition.
"Malone Dies" and "The Unnamable" are propelled by amusingly digressive stories told by parodically self-conscious narrators who claim to be physically powerless, possibly near death, but who elude fixed definition in fascinating ways.
This form of sacral status is found mainly among rulers over one tribe (or several)—he may be a chief, medicine man, shaman, or king (as, for example, a rainmaker-king in Africa)—in which a fixed definition or limitation of such functions is not possible.
The very notion is self-defeating in much the same way that there would be immense chaos in kitchens if the minute, cup, and tablespoon had no fixed definition.
Once we have fixed Definition 11.5, giving a k-linear version of stable model families of Definition 9.3 and stable comonads of Section 9.3 is completely straightforward.
The story of freedom is one of debates, disagreements and struggles rather than fixed definitions or uninterrupted progress toward a preordained goal.
The annotator, it's plain, found in the Alvearie not a set of fixed definitions but a pulsing network of meaning-by-association.
This chapter's policy terminology section begins with a detailed comparison of essential terms from RFC3198 and provided enhanced definitions that made the terminology more generic, fixed definitions based on implementation experience, or disambiguated terms that were overloaded with multiple meanings.
Publishers have timeworn, fixed definitions that they adhere to and propagate as gospel truth.
Eighthly, we used fixed definitions of indicators, but within the QOF scheme some indicators changed over time (for example, the target for DM6 (HbA1controlol) varied from 7.0%to7.5%5%).
