overrunning


Also found in: Dictionary, Thesaurus, Legal, Financial.

overrunning

[′ō·və‚rən·iŋ]
(meteorology)
A condition existing when an air mass is in motion aloft above another air mass of greater density at the surface; this term usually is applied in the case of warm air ascending the surface of a warm front or quasi-stationary front.
References in periodicals archive ?
The design required a compact overrunning clutch solution with instant locking and engagement, when the clutch shifts from overrunning to engaged.
THOUSANDS of motorists were caught up in long delays as the part of the M6 in Birmingham ground to a halt due to overrunning roadworks this morning.
NETWORK Rail (NR) has promised to tighten procedures and axe poor-performing contractors after overrunning engineering work in Rugby that caused New Year travel chaos across Coventry and Warwickshire.