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1. The natural color, texture, and appearance of the skin, especially of the face.
2. General character, aspect, or appearance: findings that will alter the complexion of the problem.
3. A viewpoint, inclination, or attitude: a conservative political complexion.
4. The combination of the four humors of cold, heat, moistness, and dryness in specific proportions, thought in ancient and medieval physiology to control the temperament and the constitution of the body.

[Middle English complexioun, physical constitution, from Old French complexion, from Late Latin complexiō, complexiōn-, balance of the humors, from Latin, combination, from complexus, past participle of complectī, to entwine; see complect.]

com·plex′ion·al adj.
References in periodicals archive ?
In 1849 Douglass wrote in his periodical, North Star, that the way for abolitionists to remove prejudice was "to act as though it didn't exist, and to associate with their fellow creatures irrespective of all complexional differences.
The premodern sciences explored in this historiographical enterprise include complexional physiology, physiognomics (physiognomy, chiromancy, metoposcopy), astrology, and, to a lesser degree, alchemy.
Let us have done with complexional superiorities or inferiorities, complexional pride or shame.