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mixer tap

British  

noun

  1. a tap in which hot and cold water supplies have a joint outlet but are controlled separately

"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

Example Sentences

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If you want to add voice effects to your Reel, which lets you modify audio including a voice-over, after recording a Reel, tap the music note to open the audio mixer, tap “effects” and choose the voice effect you want.

From The Verge

It has a single mixer tap with a jet you can direct, and the accessories are equally thoughtful.

From BBC