Newtonmases

Proper noun

Newtonmas (plural Newtonmases)

1. (humorous) December 25, Isaac Newton's birthday (in the Julian calendar).
   • At Christmas, 1890, or Newtonmas, 248, for the first time, the members of the Newtonkai, or Newton Association, met in the Physical Laboratory of the Imperial University, to hear each other talk, to distribute appropriate gifts, and to lengthen out the small hours with laughter and good cheer.1892 September 8, “"A New Sect of Hero Worshippers."”, in Nature, volume 46, number 1193, →ISSN, page 459
2. (humorous) December 25 through January 4, Isaac Newton's birthday (in the Gregorian calendar).
   • Olivia Judson, an evolutionary biologist, recommends celebrate Newtonmas on December 25th and ten extra days representing the interval between Newton's birth dates on the Julian and Gregorian calendars.2008 December 23, Olivia Judson, “The 10 Days of Newton”, in Tw:he New York Times, archived from the original on 25 Nov 2024