collision

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Computers A garbled communication between 2 devices in a local area network (LAN) that results when both attempt to transmit data simultaneously; after colliding, each device waits for a period of time and retries; increased devices on a LAN increase the likelihood of collision
Obstetrics A mechanical obstruction to the birth of twins, such that the lay of one foetus impedes the engagement of the other; the most extreme collision is known as interlocking
Public health Road traffic accident/motor vehicle accident
Radiation physics The interaction between 2 particles—e.g., photons, atomic nuclei, electrons—during which energy, momentum, and charge may be altered

collision

Obstetrics A mechanical obstruction to the birth of twins, such that the lay of one fetus impedes the engagement of the other; the most extreme collision is known as interlocking, see there Public health Motor vehicle accident. See MVA.
References in periodicals archive ?
The collision avoidance system is officially named as Collision Warning With Full Auto Brake And Pedestrian Detection.
Title: Srr/Hh65 Traffic Collision Avoidance System (Tcas I),
The Traffic Collision Avoidance System monitors the airspace around an aircraft for other aircraft equipped with a corresponding active transponder which may present a threat of mid-air collision.
Contract notice: supply and integration of an aircraft collision avoidance system, 8.
Pilots of both aircraft reacted to instructions from air traffic control and their onboard traffic collision avoidance system equipment to avoid an accident.

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