decoction process

English Thesaurus

1. (brewing) a process in which part of the mash is removed and boiled and then returned (noun.process)

hypernym	:	boiling,
definition	:	the application of heat to change something from a liquid to a gas (noun.process)

domain category	:	brewing,
definition	:	the production of malt beverages (as beer or ale) from malt and hops by grinding and boiling them and fermenting the result with yeast (noun.act)