an experimental industrial plant in which processes or techniques planned for use in full-scale operation are tested in advance.
Origin of pilot plant
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a small-scale industrial plant in which problems can be identified and solved before the full-scale plant is built
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