(physics) A four-vector that describes the change in a particle's four-velocity over time

(computing) A keyboard shortcut.

soil erosion occurring at a rate much faster than soil horizons can be formed from the parent regolith.

plural of four-acceleration

(physics) The acceleration felt by an object, as opposed to the coordinate acceleration. For example the acceleration of an object at the surface of the Earth is 9.81 m/s² upwards, but has no coordinate acceleration. The proper acceleration of an object is Lorentz invariant.

(transitive) To accelerate (an electron or other subatomic particle) after it is deflected in a magnetic field.

present participle of post-accelerate

simple past tense and past participle of post-accelerate

Third-person singular simple present indicative form of post-accelerate

(automotive, Canada) The lost value a vehicle carries after it has been repaired from an accident.