The phrase "a facet of which" is correct and usable in written English.
It can be used to refer to a specific aspect or feature of something previously mentioned.
Example: "The project has several components, a facet of which includes community engagement."
Alternatives: "an aspect of which" or "a feature of which".
Alright, let's test the theory: The X Factor, which you think is about singing, but it's actually about people's dreams, and their dreams in particular are about fame and singing, singing being a facet of music, which literally everyone who has ever been on The X Factor opens their audition by saying they love, so The X Factor is about love.
In sum, our results support the hypothesis that bats and filoviruses have been engaged in a long-term co-evolutionary relationship, one facet of which is a molecular arms race between the viral glycoprotein and its entry receptor, NPC1.
A facet of the story which was made more clear in the novel was the confusion which overtook the Imperial forces upon the death of Palpatine, who ceased to be the guiding will animating the Empire.
For 30 years now, he has lived a monkishly regimented life, each facet of which has been precisely engineered to help him produce his work.
And the Times Topics entry said this about Mr. Murakami's work routine: For 30 years now, he has lived a monkishly regimented life, each facet of which has been precisely engineered to help him produce his work.
Honesty is a facet of moral character, which connotes positive and virtuous attributes such as, integrity, truthfulness, straightforwardness, forthrightness of conduct, with the absence of lying, cheating and exaggerating.
Apart from teens having words for members of the opposite sex, a facet of the language which regenerates like a snake shedding its skin once every year like clockwork.
Hood's Christian faith is a facet of his character which is never far away on Victorious, most obviously expressed on the evangelical roof-raising of "The Heavens & The Earth".
The intercounty competition is strong, one important facet of which is competition for a labor force.
A recently proposed concept considers inverted pyramids, at the facet of which light experiences multiple reflections (see Figure 1a).
ADDING another wrinkle to their already complicated semipublic life is one facet of which even their close friends are dubious: their politics are several notches to the right of art-world orthodoxy.
