The time of month between new moon and first half-moon.
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(astronomy) The waxing lunar phase, from new moon to half way between new moon and full moon.
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The phase of the moon after the waxing crescent when only the right half of its face, when viewed from the Northern Hemisphere, reflects sunlight to the earth.
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Other Word Forms
Noun
Singular:
first-quarter
Plural:
first quarters
First-quarter Sentence Examples
The general coincidence of the Sabbath or seventh day with the easily recognized first quarter and full moon established its sacred character as lunar as well as planetary.
But by the end of the first quarter of the 13th century B.C. Egypt had recovered its province (precise boundary uncertain), leaving its rivals in possession of Syria.
Before the close of the 18th century, and during the first quarter of the 19th, a good deal had been done in the way of draining the land, either by open ditches or by James Elkington's system of deep covered drains.
That empire had been founded by Jenghiz Khan in the first quarter of the century; it stretched from Peking on the east to the Euphrates and the Dnieper on the west.
Particularly in the first quarter of the 14th century, writers were busy in explaining the causes of the failures of past Crusades, and in laying down the lines along which a new Crusade must proceed.