emulsifier
US /ɪˈmʌl.sə.faɪ.ɚ/
UK /ɪˈmʌl.sə.faɪ.ɚ/
1.
a substance that stabilizes an emulsion, in particular a food additive used to stabilize processed foods.
:
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Lecithin is a common emulsifier used in chocolate.
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Many processed foods contain various types of emulsifiers to improve texture and shelf life.