varietal (adj.)

"having the characteristics of a variety," 1849, a biologists' word, from variety + -al (1). In reference to wines, "made from a single variety of grape," first attested 1941, American English. As a noun, in this sense, attested from 1955. Related: Varietally.

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Definitions of varietal from WordNet

varietal (n.)
a wine made principally from one grape and carrying the name of that grape;
Synonyms: varietal wine