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Definition of: semidiurnal

(sem′ē·dī·ûrnəl) adjective
1. Pertaining to or continuing during a half–day; occurring or accomplished in a half–day, or once each half–day.
2. Designating either half of the arc described by a heavenly body during its rising or setting. [<SEMI- + DIURNAL]

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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