collimated

collimated is the simple past and past participle of collimate.

Meaning of collimate

collimate (third-person singular simple present collimates, present participle collimating, simple past and past participle collimated)

To focus into a narrow beam or column; to adjust a focusing device so that it produces a narrow beam.
- Lead bricks were placed around the radioactive source so that the escaping gamma rays would be limited to a collimated beam rather than filling the lab.

collimated (comparative more collimated, superlative most collimated)

Composed of rays that are parallel, thus having a wavefront that is planar.
- Low-mass objects have much more collimated flows than high mass sources.1984, Charles J. Lada, “Energetic Outflows, Winds and Jets around Young Stars”, in M. F. Kessler, J. P. Phillips, editors, Galactic and Extragalactic Infrared Spectroscopy, page 266
- 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.2008 May, A. M. Soderberg, et al., An extremely luminous X-ray outburst at the birth of a supernova, Accepted draft, page 3

comparative	more collimated
superlative	most collimated

What does collimated mean?: Collimated means composed of rays that are parallel, thus having a wavefront that is planar.
What is collimated the simple past and past participle of?: Collimated is the simple past and past participle of collimate.
What part of speech is collimated?: Collimated is an adjective.

Adapted from Wiktionary: collimated (page history and authors); collimate (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “collimated.” Word.ws, https://word.ws/collimated. Based on Wiktionary, CC BY-SA 4.0.