The phrase "a distinctness" is correct and usable in written English.
It can be used when referring to a quality of being distinct or unique in some way.
Example: "The artist's work has a distinctness that sets it apart from others in the gallery."
Alternatives: "a uniqueness" or "a clarity".
Eliot here pictures the process of moral maturation in terms of a distinctive kind of thinking, what she refers to as conceiving "with a distinctness which is no longer reflection but feeling," a way of thinking in which ideas are "wrought back to the directness of sense". What does it mean to conceive in this way?
The term Norden has also come into use to denote Denmark, Finland, Iceland, Norway, and Sweden, a group of countries having affinities with one another and a distinctness from the rest of continental Europe.
"A Distinctness Condition on Linearization" is about well-formedness conditions on syntactic structures that are imposed by the need to make those structures linearizable; I argue that ordering statements can make reference only to node labels, and that this restriction accounts for various OCP-like phenomena in syntax.
Achieving this goal in a statistically meaningful way requires (a) a measure of distinctness of a branch and (b) a test to determine the significance of the observed measure, applicable to all branches and across multiple scales of dissimilarity.
The highly significant association between mitochondrial lineage (1 or 2) and nuclear cluster (α or β) in the contact zone of these parapatric lineages argues for two distinct gene-pools (Table 2) and, hence, a specific distinctness of these evolutionary lineages, satisfying the criteria of most species concepts, in particular the unified species concept [ 23].
There is a more complicated story about how perceptual distinctness relates to a distinct concept, as described by Leibniz in "Meditations on Knowledge, Truth, and Ideas," AG 23 27.
Appreciation goes a step further, conveying not only an acknowledgment by others of a person's distinctness but also a valuation of it in a positive and supportive way.
These pictures have a terrible distinctness.
Instead, we conducted a taxonomic distinctness analysis [46], [47] to examine whether the species lists from each sub-region have the same biodiversity structure.
Second, we conducted a taxonomic distinctness analysis, which is useful for comparing diversity across studies with uncontrolled, unequal, or unknown degrees of sampling effort, and where quantitative data are not available and samples consist of a species list [16], [17].
We found that the shift to a standardized pond environment not only induced marked phenotypic plasticity but also, at the same time, left a morphological distinctness among the populations intact in that the F1 offspring of all four pond-raised Tropheus populations could be equally differentiated.
