traffic-light labelling
noun
a system of food labelling in which red, amber, and green symbols are used to indicate whether the food contains high, medium, or low amounts of sugar, fat, salt, etc
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
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