Definition of E-number noun from the Oxford Advanced Learner's Dictionary

 

E-number

 noun
noun
BrE
 
; NAmE
 
(British English)
 
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a number beginning with the letter E that is printed on packs and containers to show what artificial flavours and colours have been added to food and drink; an artificial flavour, colour, etc. added to food and drink This sauce is full of E-numbers.