orifice mixer

orifice mixer

[′ȯr·ə·fəs ‚mik·sər]
(mechanical engineering)
Arrangement in which two or more liquids are pumped through an orifice constriction to cause turbulence and consequent mixing action.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.