Make Beer At Home

Liquid carbon dioxide Solvent produced by liquefying carbon dioxide gas at low temperatures and high pressures; used for extracting materials from hops.

Liquor Water.

Low-alcohol beers Beers containing a low level of alcohol (e.g., less than 2% ABV, although the definition differs among countries).

Lupulin The glands in hop cones that contain the resins.

Malt Dried germinated barley.

Malting The controlled germination of barley involving steeping, germination, and kilning so as to soften the grain for milling, to develop enzymes for breaking down starch in mashing, and to introduce color and desirable flavors.

Malting grade Score allocated to a barley variety that indicates whether it will give a high hot water extract after conventional malting and mashing.

Masher Device positioned before the mash mixer that facilitates intimate mixing of milled malt and hot liquor. Sometimes called "pre-masher".

Mashing Process of contacting milled grist and hot water to effect the breakdown of starch (and other materials from the grist).

Mash filter Device incorporating membranes for separating wort from spent grains.

Mash tun Vessel for holding a porridge of milled grist and hot water to achieve conversion of starch into fermentable sugars.

Mashing off Conclusion of mashing, when the temperature is raised prior to the wort separation stage.

Maturation The postfermentation stages in brewing when beer is prepared ready for filtration.

Mealy Favorable texture of the starchy endosperm of barley that makes it easy to modify.