new moon

American  

noun

1. the moon either when in conjunction with the sun or soon after, being either invisible or visible only as a slender crescent.

2. the phase of the moon at this time.

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new moon British  

noun

1. the moon when it appears as a narrow waxing crescent

2. the time at which this occurs

3. astronomy one of the four principal phases of the moon, occurring when it lies between the earth and the sun

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new moon Scientific  

/ no̅o̅ /

1. The phase of the Moon that occurs when it passes between Earth and the Sun, making it either invisible or visible only as a thin crescent at sunset.

2. See more at moon Compare full moon

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Etymology

Origin of new moon

before 1000; Middle English; Old English

Compare meaning

How does new-moon compare to similar and commonly confused words? Explore the most common comparisons:

• new moon vs. full moon

Example Sentences

New moon suit: Space fashion is getting an upgrade.

From New York Times • Mar. 16, 2023

The following invocation to the planet is used by young women throughout the country: New moon, new moon, declare to me Shall I this night my true love see?

From Popular Rhymes and Nursery Tales A Sequel to the Nursery Rhymes of England by Halliwell-Phillipps, J. O. (James Orchard)

Every fortnight on the day of the New moon, one should make offerings unto one's deceased ancestors.

From The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 4 Books 13, 14, 15, 16, 17 and 18 by Ganguli, Kisari Mohan

New moon this evening. 1st March, 1873.—Embarked women and goods in canoes, and went three hours S.E. to Bangweolo.

From The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873 Continued By A Narrative Of His Last Moments And Sufferings, Obtained From His Faithful Servants Chuma And Susi by Waller, Horace

New moon, ; first quarter, ; full moon, ; last quarter, .

From Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work by Warren, Henry White