The phrase "a variant form" is correct and usable in written English.
It can be used when discussing different versions or variations of something, such as a word, phrase, or concept.
Example: "In linguistics, 'color' and 'colour' are considered a variant form of the same word, differing mainly by regional spelling."
Alternatives: "an alternative version" or "a different variation".
Possibly the book's AB was perceived as a variant form of cosyfication, as Stibbe sensed.
Freedom without economic opportunity is just a variant form of oppression.
Each coloured one represents alleles (a variant form of a gene).
In Norway and Scotland a variant form of the taiga occupies extremely humid environments.
Two reports being published today in the journal Neurology, describing what appears to be a variant form of the nerve disease, seem to support that view, the journal said in an editorial.
The initial generation of the gods is a variant form of the genealogy of Anu in the great god list An: Anum.
A variant form of functionalism, known as neofunctionalism, has been applied at a regional level to explain the early stages in the formation of those institutions that later evolved to form the European Union (EU).
A variant form of the EDAR gene is very common in East Asians and Native Americans, and is probably the reason that these populations have thicker hair than Europeans or Africans.
Tacitus records a variant form of the genealogy according to which Mannus had a larger number of sons, who were regarded as the ancestors of the Suebi, the Vandals, and others.
Hemoglobin S is a variant form of hemoglobin that is present in persons who have sickle cell anemia, a severe, hereditary form of anemia in which the cells become crescent-shaped when oxygen is lacking.
But he adds that people with Asperger's, usually described as a variant form of autism, tend to be highly verbal rather than monosyllabic, and tend to yearn for company rather than push it away.
