Definition of "collimated" in Anglais

verb

1. simple past and past participle of collimate

adjective

1. (physics, of a light beam) Composed of rays that are parallel, thus having a wavefront that is planar.

   • 2008 May, A. M. Soderberg, et al., An extremely luminous X-ray outburst at the birth of a supernova, Accepted draft, page 3, Wolf-Rayet stars are also argued⁹ to give rise to gamma-ray bursts, a related but rare class of explosions characterized by highly-collimated relativistic jets.