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nocturnal arc
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noun Astronomy.
the portion of the diurnal circle that is below the horizon of a given point.
QUIZ
TAKE JOY IN ACING THIS QUIZ ON “PRIDE” SYNONYMS
Hold your head up high as you embark on this quiz that explores some of the synonyms and meanings of “pride.”
Question 1 of 7
What does "dignity" mean?
Compare diurnal arc.
Origin of nocturnal arc
First recorded in 1695–1705
Words nearby nocturnal arc
noctuid, noctule, nocturia, nocturn, nocturnal, nocturnal arc, nocturnal emission, nocturnal enuresis, nocturnal myoclonus, nocturne, nocuous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022