Dictionary.com
definitions

conscience clause

noun
  1. a clause or article in an act or law that exempts persons whose conscientious or religious scruples forbid their compliance.

Origin of conscience clause

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for conscience clause

conscience clause

noun
  1. a clause in a law or contract exempting persons with moral scruples
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