An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

To pack and align photons or atomic particles parallel to a particular direction.

L. collimatus, p.p. of collimare, alteration of collineare "to make straight," from → com- + linea, → line.

From ham- "together, with," → com- + râstâ, → direction, + -idan infinitive suffix, kardan "to do," → work.

Made accurately parallel or brought into line.

Past participle of → collimate.

A → beam of → photons or → subatomic particles with a narrow → cross section that has little or no spatial spread.

→ collimated; → beam.

A beam of particles in which every particle would have exactly the same direction of travel, thereby the jet moves without → dispersion. Collimated jets of → plasma are associated with → protostars.

→ collimated; → jet.