COLLIMATOR


Meaning of COLLIMATOR in English

[col.li.ma.tor] n (1865) 1: a device for producing a beam of parallel rays (as of light) or for forming an infinitely distant virtual image that can be viewed without parallax

2: a device for obtaining a beam (as of particles) of limited cross section

Merriam-Webster English vocab.      Английский словарь Merriam Webster.