Definition of "clinal" [clinal]

• Pertaining to beds or rest. (adjective)
• Describing a torsion angle between 30° and 150° (adjective)
• Pertaining to a cline. (adjective)

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• "Geneticists aren't saying there is no such thing as human variation across geographical distance; they're just saying that that variation is clinal."
• "Yet they don't have any strict genetic or pehnotypic border within, just clinal variation."
• "At least some of the observed variation is real (and not just individual variation, or clinal) – but how much of it, and what does it mean for taxonomy and phylogeny?"