Dictionary.com
definitions

nem. con.

  1. nemine contradicente.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for nem. con.

nem. con.

abbreviation for
  1. nemine contradicente

Word Origin for nem. con.

Latin: no-one contradicting; unanimously
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for nem. con.

abbreviation of Latin phrase nemine contradicente "no one dissenting," hence, "without opposition."

Online Etymology Dictionary, © 2010 Douglas Harper