GLOSSARY OF TERMS LELETED DELETED —~ adiabatic cooling Tne process by which the temperatureof an ascending body of air is changed by expansion, being about 1.6 degrees Fahrenheit for each 300 feet of change of height. airburst Strictly defined, the explosion of an atomic weapon in the air, above land or water, at a height greater than the maximum radius of the fireball, alpha particle Essentially the nucleus of the helium atom and consisting of two protons and two neutrons, Alpha emitting dusts, as associated with muclear detonations, constitute a potential health hazard if inhaled or ingested, ancillary equipment That equipment designated for special operational or functional support of any part of a weapon, arming system That portion of a weapon which originates the signals required to arm, safe, or resafe the firing system and the fuzing system, and to actuate the nuclear safing system, ballistic shape 1. An inert dummy weapon having the same external configuration and identical ballistic characteristics as the weapon with which it is associated, 2. The aerodynamic contour of a weapon, baro A pressure sensitive device used in some atomic bombs to actuate circuits, The tern is a contraction of "barometric switch," sometimes referred to as “baro switch." 319 emo SWEH -2-003L 43 ra |