arc minute

noun

Examples of arc minute in a Sentence

Recent Examples on the Web
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Separation between Mars and the moon's upper edge is given in terms of minutes of arc (the apparent width of the moon on June 29 is 31 arc minutes), and the percentage of the apparent width of the moon. Joe Rao, Space.com, 13 June 2025 For most locations, the upper limb of the moon will skim to within about 20 arc minutes (one-third of a degree) of Mars. Joe Rao, Space.com, 13 June 2025 The technologies' outcome, like the number of stars, is also stupefying: The Mesopotamians might have been off by a finger or so held at arm's length, maybe a degree of arc, and Hipparchus was off by about half a degree, or 30 arc minutes. Ann Finkbeiner, Scientific American, 1 Feb. 2024

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of arc minute was in 1892

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Cite this Entry

“Arc minute.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arc%20minute. Accessed 3 Jul. 2025.

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