The phrase "a descriptor of a" is correct and usable in written English.
It can be used when you want to specify a term or phrase that describes or characterizes something.
Example: "In the context of literature, a descriptor of a character's personality can greatly enhance the reader's understanding."
Alternatives: "a term for a" or "a label for a".
You can trace it back centuries, to a time when there was a literal gentry responsible for social cleansing; when the bailiffs were on horseback and "artisanal" was a descriptor of a pre-industrial social class, rather than vogueish hipster branding.
For delivering an event, a vector is used that points to a descriptor of a guest IDT.
Following the terminology of Precioso and Cord [12], the extraction of local features from an image results in an unordered set of local descriptors named bag-of-features (BoF) (mathcal {X} = {x_{i}}, i in {1, ldots, N}), where (x_{i} in mathcal {R}^{D}) is a descriptor of a local interest point and N is the number of interest points detected in the image.
Consequently, in some cases, the term "CR" as a descriptor of a longevity-enhancing, reduced nutrient regime should probably be replaced with the more generic and previously widely-used term "dietary restriction (DR)".
But Macintosh turns out to be as deceptive a descriptor of Betty as Filth is of the spotless Feathers.
In a similar way to the concept of skewness, kurtosis is a descriptor of the shape of a probability distribution.
A descriptor of peptides is an important element for capturing properties.
The concept of vulnerability is a descriptor of the status of a society or community with respect to an imposed hazard or threat.
"Too busy" does not tumble from their lips as a descriptor of their days or as an excuse for inattention to others.
The mean value of the richness over the entire set of rows was proposed by Whittaker [18] as a descriptor of biodiversity pattern of a region (a collection of cells).
