ABSORPTION-A taking in and not reelecting of
ABTAutomatic bus transfer.
ACCELEROMETERan instrument that measures
one or more components of the changes in
speed of a moving body in which the instrument
ACO SWITCHAction cutout switch.
ACTIVATED CHARCOALA form of highly
porous carbon that can easily absorb gases,
vapors, and colloidal particles.
ADSORPTIONAdhesion of the molecules of a
gas, liquid, or dissolved substance to a sur-
AJRAutomatic Junction Rotary switch.
AMPEREThe basic unit of electrical current.
ANODEA positive electrode of an electrochemical
device toward which negative ions are drawn.
ARCThe band of sparks or incandescent light
formed when an electrical discharge is
conducted from one electrode or conducting
surface to another, characterized by high current
and low voltage.
ARMATUREThe rotating part of an electric motor
or generator. The moving part of a relay or
ATMOSPHERIC PRESSURE-The pressure due to
the weight of the earths atmosphere: one
standard atmosphere equals 14.69 lb. per sq. in.
AZIMUTHAngular measurement in the horizontal
plane in a clockwise direction.
BEARINGAn angular measurement that indicates
the direction of an object in degrees from true
north. Also called azimuth.
BITBuilt In Test.
BUSA conductor or group of conductors serving
as a common connection in any high current
CAPILLARY TUBEA tube with a very small bore.
CDSCombat direction system.
CHILLED WATERWater from the ships air-
conditioning plant. Used in a cooling systems
CHLORINEA gaseous element, symbol C. Atomic
number is 17.
CLOSED-LOOPEDA seawater system in which
the distilled water is recirculated.
CICCombat information center.
COMPRESSED AIRAir reduced in volume by
pressure and held in a container.
CONDUCTANCEThe reciprocal of the resistance
of a material and is measured in mhos or