The aqueous extract made by slowly cooking the mash of malted grains and pure water during brewing.


Related Terms

LIXIVIATE

To extract a soluble component from a solid mixture by washing or percolation processes.

PRODUCTION UNIT

An oil production ship equipped to extract petroleum.

QUICKSAND

A loose mixture of sand and water that yields to the pressure of heavy objects. Such objects are difficult to extract once they begin sinking.

SATELLITE GEODESY

The discipline which employs observations of an earth satellite to extract geodetic information.

EXTRACT

A summary or copy of something written-used in conjunction with Log Books and shipping papers during accident investigations.

AIR-LIFT PUMP

A device composed of two pipes, one inside the other, used to extract water from a well; the lower end of the pipes is submerged, and air is delivered through the inner pipe to form a mixture of air and water which rises in the outer pipe above the water in the well; also used to move corrosive liquids, mill tailings, and sand. Also known as air lift.

ELECTROLYTIC MERCAPTAN PROCESS

A process in which an aqueous caustic solution is used to extract mercaptans from refinery streams.

FRAZER-BRACEEX TRACTION METHOD

[CHEMENG] A method used to extract oil from citrus fruit; utilizes a machine which has abrasive carborundum rolls to rasp the peel from the fruit under a water spray; the water-and-peel mixture is screened and settled to allow oil separation.

GAGE VALVE

A valve attached to a water column or drum for checking water level.

WATER COLUMN

A vertical tubular member connected at its top and bottom to the steam and water space respectively to a boiler, to which the water gage, gage valves, high and low water alarms and fuel cutoff may be connected.

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