A Glossary of Beer Brewing Terms

Just like any other activity, brewing beer has its ownusually made from steel, aluminum, or wood
set of terms and descriptions that are not easilyLAGER - The most popular type of beer in the
understood when you first hear them. When I beganworld, it is produced by using bottom-fermenting
my research into brewing beer at home (homeyeast and a lower fermentation temperature
brewing) I had a very hard time understanding theLAMBIC - A type of Belgian beer fermented using
various terms used by the experts I was reading. Towild instead of cultured yeasts
make it easier, I put this little glossary together forLAUTER TUN - The traditional container used for the
my own use and it helped quite a bit. I hope you willseparation of the extracted wort
find it helpful as well.LAUTERING - Separating the liquid wort and residual
ABV - "Alcohol By Volume". The percentage ofgrain
alcohol in a beer. Usually 5%, some beers have asLEES - The dead yeast and other particles on the
much as 30% abv.bottom of the container after fermentation and
ALE - A type of beer defined by the temperatureaging, also referred to as "trub"
and the strain of yeast used in the fermentationLIQUOR - Brewer's term for the hot water used in
processthe mashing process
CARBOY - A glass, or food grade plastic containerMALT - Grains, usually barley, used in brewing beer.
used for fermentation of home brewed beer, alsoMALT EXTRACT - Also known as "DME", this is a
known as a "demijohn"high density substance derived from base malt and
CLARIFYING AGENT - A substance added to beer toused used exclusively in home brewing
produce a clear final brew. Common ones are someMALT/MALTING - A process used on cereal grains
types of seaweed and gelatinwhere the grains are made to germinate by soaking
COPPER - Name for the kettle used to boil thein water and then dried
sweet wort. So named because most were originallyMASH TUN - A dedicated vessel made specifically for
made from copperthe mashing process
CORNY KEG - A U.S. keg containing 5 gallons whenMASH/MASHING - The mixing of the source of
fullstarch (most often malted barley) with hot water
DRAUGHT - Pronounced "draft". This is a method ofPONY KEG - A U.S. keg containing 7.75 gallons when
serving beer from a pressurized container or "keg"full
FERMENTATION - The process where the yeastRACKING - Transferring the beer from one container
converts the sugars in the wort to alcohol andto another
carbon dioxideSPARGING - Washing the grain after the mashing
FULL KEG - A U.S. keg containing 15.5 gallons whenprocess is complete
fullSTOUT - A type of beer produced by using roasted
GRAIN BILL - Collectively, the grain materials used inmalts and barley and brewed with top-fermenting
brewing. Its not uncommon for a recipe to use 10 oryeasts
more different grainsTORPEDO KEG - A U.S. keg containing 5.23 gallons
GRIST - Crushed malted barleywhen full
HEAD - he foamy substance on the surface of beerWORT - A sugary liquid resulting from the mashing
produced by bubbles of carbon dioxideprocess
HOPBACK - A small vat filled with hops used byWORT SEPARATION - Separating the used grain
some breweries to add additional flavor and filteringform the wort and sparge water
to the wortYEAST - A live fungus that, when added to the
HOPS - A critical ingredient used in the brewingbrewing process, allows the process of fermentation
process. Hops are clusters of female flowers fromThere are other, less often used phrases out there
the Hop plantthat you will stumble over every now and again. But,
HYDROMETER - A tool used to determine the alcoholif you become familiar with the terms listed here you
content of a home brewed beer (abv)will be able to understand well over 90% of what
KEG - A container used to store and transport beer,you read.