The phrase "a fundamental character" is correct and usable in written English.
It can be used to describe an essential or core quality of a person, object, or concept.
Example: "The artist's work reflects a fundamental character of resilience and hope."
Alternatives: "an essential quality" or "a core attribute."
"They think it is a fundamental character flaw," she said.
For this reason, trophic interactions have a fundamental character due to the principle of mass conservation.
"I find myself drawn to questions that have a fundamental character, that force me to think about deep conceptual roots at the heart of our most successful theories of nature, like general relativity or quantum theory," Kaiser says.
Part of what makes Stillman such a witty satirist and an acute observer of his own rarefied slice of the social world is his faith in affiliation as a fundamental character trait.
Scanning the environment in search of cause-effect relationships yielded increased chances of survival, and natural selection has worked to transform that capability into a fundamental character of our automatic response to external stimuli: our intuitive approach.
That's a fundamental character flaw and those things can never be transformed.
But Cephus's religious conviction is never presented as a fundamental part of his character, and his other comments on the subject of his resistance are equally offhand.
"At a deeper level, this is about the loss of a fundamental part of Beijing's character and culture".
Their consequences were felt not only in the societies in which they occurred but also in many other political systems, in which, as a result of their example, revolutions of an equally fundamental character occurred.
There is yet an emerging third perspective -- more cynical than the philosophical but far less fatalistic than a focus on fundamental character.
Its omission from Goldman's treatment seems more of an oversight than a weakness in the theory's fundamental character.
