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Meanings of arcsec in English

The inverse function of the secant; the angle that has a secant equal to a given number.

        Usage of arcsec in English
        1
        Its disc spans 18 arcsec, with bands of cloud that are a pale imitation of those of Jupiter.
        The Guardian
        2
        Viewed telescopically, it shrinks from 7.5 to 6.5 arcsec wide.
        The Guardian
        3
        Catch them below-left of the Moon on the 15th when the cloud-swathed planet appears 41 arcsec wide.
        The Guardian
        4
        Shrinking in width from 41 to 37 arcsec, it stands near the Moon on the 3rd and 30th.
        The Guardian
        5
        The unrivalled rings, though, stretch for 41 arcsec and are wide open with their N face tipped 27° towards us.
        The Guardian
        Arcsec through the time