Glossary
These are my definitions … if you want to official thing, go grab a dictionary.
Batch sparge – dumping the sparge water (see below) all at once, rather than a slow trickle as is done with the fly sparge method
Mash Tun – Insulated container used to mash grains
Mash – steeping grains to convert starches to sugar
Mashing in – mixing crushed grains and strike water in the mash tun
Strike water – water added to the mash tun to start the mash process
Sparge water – water added to the mash tun after the initial wort has been drained to help remove additional sugar left in the grain
SG – Specific gravity, a way to measure the sugar content of a liquid
Wort – liquid mixture of water and sugar from grains before fermentation turns it into beer