A special type of oil free, positive displacement reciprocating compressor, working without piston rings. The seal between piston and cylinder wall is produced by a series of labyrinths.

Generally in law, the voluntary relinquishing of all rights, title or possession of property.

An instrument whose calibration can be determined by means of simple physical measurements on the instrument. Compare to secondary instrument.

Qualified Individual (OPA 90)

Burned.

The passing of a substance or force into the body of another substance.

The atmospheric pressure at the level of the barometer. May or may not be the same as station pressure.

Striking "bells" a little before the proper time at the end of a watch. More generally, doing something unjustifiably or unnecessarily early.

In Accordance With

A type of air cooling device that uses absorption cooling to cool interior spaces.

The degree of conformity of an indicated value to an accepted standard value, or ideal value. See accuracy rating, measured accuracy.

Current efficiency of the anode..

Without loss or gain of heat to a system. An adiabatic change is a change in volume and pressure of a parcel of gas without an exchange of heat between the parcel and its surroundings. In reference to a steam turbine, the adiabatic efficiency is the ratio ...

The same as a-trip.

An addition agent for electroplating solutions to prevent the formation of pits or large pores in the electrodeposit.

Intended to prevent fouling of under-water structures, such as the bottoms of ships; refers to the prevention of marine organism's attachment or growth on a submerged metal surface, generally through chemical toxicity caused by the composition of the meta ...

H2B Radio transmission designatorSelective calling signal using a single frequency code, single-sideband, full carrier. (ALRS)

A hypothetical temperature characterized by a complete absence of heat and defined as 0 K, -273.15 C, or -459.67 F.

A system in which a secondary fluid absorbs the refrigerant, releasing heat, then releases the refrigerant and reabsorbs the heat. Ammonia or water is used as the vapor in commercial absorption cycle systems, and water or lithium bromide is the absorber.

Temperature based on an absolute scale.