advection fog /.d'vek.(.)n f.g/
noun fog which forms when warmer moist air moves over a colder surface advent /'.dvent/ an arrival, especially of something very important
0 With the advent of satellite navigation systems, pilots of light aircraft have a more accurate means of knowing their position.
adverse /'.dv3:s/ adjective 1. bad or
poor 0 Only in extremely adverse condi-tions should the crew evacuate the air-craft.口 adverse handling characteris-tics aspects of an aircraft’s handling which are poor 2. acting or going against you
adverse yaw /'.dv3:s j.:/ noun yaw
caused by aileron drag, in the opposite direction to the direction of the intended turn