melangeur

plural melangeurs · alternative melanger · alternative mélangeur

1. A machine for grinding ingredients and mixing them when making chocolate (or rarely nut butter, etc), consisting of roller stones inside a drum.

   The nib, coarse or finely ground, is mixed with the sugar in a kind of edgerunner or grinding-mixer, called a melangeur. This consists of two heavy millstones supported on a granite floor.

   1921, The Tea & Coffee Trade Journal, page 750

   1 more example

   The melangeur Mabel and I had set up two days ago to grind the beans and sugar together was still churning away. I peeked into the grinder. Surprisingly, the mixture had turned into a silky smooth liquid. “That's the chocolate liquor,”[…]

   2017, Dorothy St. James, Asking for Truffle: A Southern Chocolate Shop Mystery, Crooked Lane Books, →ISBN

2. An instrument, essentially a capillary tube with a bulb at one end, for drawing and diluting specimens of blood for examination.