English

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Etymology

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(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Why "quarter", when it's half-lit? And why is this one considered the "first"?”)

Noun

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first quarter (plural first quarters)

  1. (astronomy) The waxing lunar phase, from new moon to half way between new moon and full moon.

Antonyms

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Translations

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