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 ?
These typical methods include the traditional fuzzy logic based algorithm with the input of Time to Collision (TTC) and Time Gap (TG) based collision avoidance system in [10] and the commonly used V2V distance-based collision avoidance algorithm in [8].
Consequently, resulting in the commencing of collision avoidance systems, assuring improved safety compared to other driver assistance, passive safety, and active safety systems.
Some planes also have collision avoidance systems fitted, but the equipment on the Tucano plane being used by the trainee pilot did not work in this case, probably because of the terrain in the area.
offers two collision avoidance systems for overhead cranes: UltraGuard and LCAS (Laser Collision Avoidance System shown in photo).
The most useful pieces of equipment we had on board were our traffic alert and collision avoidance system (TCAS) and forward-looking infrared sensor (FLIR).
A cockpit collision avoidance system alerted the Virgin pilot to the danger.
Go said the onboard Traffic Collision Avoidance System was activated when the two jets were 10 miles apart.
The head of the Swiss Air Accident Investigation Bureau said he didn't know what rules Russian pilots have to follow in the case of a conflict between instructions from air traffic controllers and the plane's own collision avoidance system.
Rockwell Collins participated in the evaluation and flew its Sabreliner test aircraft equipped with a modified transponder to transmit ADS-B signals in the 1090 MHz band and a modified traffic alert collision avoidance system (TCAS) to receive ADS-B signals in the 1090 MHz band from other aircraft.
She added that the aircraft was grounded in Hong Kong while checks to the on-board Traffic Collision Avoidance System were carried out and the device was found to have been functioning correctly.
To support the evaluation of aircraft encounters that involved Airborne Collision Avoidance System (ACAS) alerts, EUROCONTROL has developed the Interactive Collision Avoidance Simulator (InCAS).
The T3CAS is a Line Replaceable Unit (LRU) that can host any combination of Traffic Alert and Collision Avoidance System (TCAS), Terrain Awareness Warning System (TAWS) and Mode S Transponder with ADS-B In/Out capability.

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