adj
Meaning 1
Composed of rays that are parallel, thus having a wavefront that is planar.
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
Examples
- 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.
Meaning relationships
Synonyms: none provided
Antonyms: none provided