From GNU Collaborative International Dictionary of English, version 0.54:
Complexion (kŏm‑plĕkˈshŭn), n. [F. complexion, fr. L. complexio. See {Complex}, a.]
1. The state of being complex; complexity. [Obs.]
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Though the terms of propositions may be complex, yet . . . it is properly called a simple syllogism, since the complexion does not belong to the syllogistic form of it.
-- I. Watts.
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2. A combination; a complex. [Archaic]
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This paragraph is . . . a complexion of sophisms.
-- Coleridge.
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3. The bodily constitution; the temperament; habitude, or natural disposition; character; nature. [Obs.]
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If his complexion incline him to melancholy.
-- Milton.
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It is the complexion of them all to leave the dam.
-- Shak.
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4. The color or hue of the skin, esp. of the face.
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Tall was her stature, her complexion dark.
-- Wordsworth.
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Between the pale complexion of true love,
And the red glow of scorn and proud disdain.
-- Shak.
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5. The general appearance or aspect; as, “the complexion of the sky; the complexion of the news”.
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