nonagenary
Meanings
adj
- Of or related to the number ninety.
noun
- Synonym of square or quadrature, a rising at a 90 degree angle to the position of another heavenly body, particularly the sun.
Word forms
Etymology
From Latin nōnāgēnārius (“containing 90”) either directly or via Middle French nonagénaire, from Latin nōnāgēnī (“90 each”) + -ārius (“-ary”), from nōnāgintā (“nine tens, 90”).
Synonyms
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