RIMS - Recirculation Infusion Mash System - A mashing system in which a pump is used to continuously recirculate the liquid part of the mash through the mash bed. Mash temperature is maintained by passing the liquid over a heating element; the heating element is cycled off and on to maintain the desired mash temperature. Common heating elements are typical home hot water heater elements encased in a copper pipe with an inlet and outlet.
SG - Specific Gravity, the amount of sugars in the beer at the point that the sample was taken.
SRM - Standard Reference Method a system devised for the colors of beer. Interchangeable with the Lovibond (deg l) system