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 ?
Model M2 is 5,500 mm wide x 5,500 mm high with an opening and closing speed of 1.
The 14-year-old from Bato, Leyte, burst out of the starting blocks and leaned on her powerful closing speed to become the fastest woman Wednesday in the 60th Palarong Pambansa.
Using the vehicle mass, a barrier equivalent velocity (BEV), or the equivalent closing speed with a fixed rigid barrier, is then computed.
21, said training for the longer distance race might have cost him closing speed in the 10,000.
Dean Attwell, Managing Director at Oakland International, said: "When planning the construction of the new cold store area we recognised the need for a door with a fast opening and closing speed to reduce heat ingress.
Safety features include an autonomous emergency braking system with three operation modes: pedestrian, city and interurban - which triggers automatic braking whenever it detects an unsafe closing speed with a person or vehicle in front.
These include an Autonomous emergency Braking system with three operation modes: pedestrian, city and inter-urban - which triggers automatic braking whenever it detects an unsafe closing speed with a person or vehicle in front, from low to high speeds.
While minor changes in its closing speed will typically not affect most, the elderly and physically disabled are more at risk for a loss of balance, a fall or an injury.
I think the relative closing speed (between the Yamaha and the Peugeot) was probably more than 60mph, but the Peugeot was moving forwards.
One veteran recalled the high closing speed meant "You only had two seconds firing time.
But I felt I did not have the closing speed I should have had.
The centrifugal ball principle ensures a precisely defined opening and closing speed.