obliquity
noun
obliq·ui·ty
ō-ˈbli-kwə-tē
ə-
plural obliquities
1
: deviation from moral rectitude or sound thinking
2
a
: deviation from parallelism or perpendicularity
also
: the amount of such deviation
b
: the angle between the planes of the earth's equator and orbit having a value of about 23°27′
obliquity of the ecliptic
3
a
: indirectness or deliberate obscurity of speech or conduct
b
: an obscure or confusing statement
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Merriam-Webster unabridged
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