transitive verb (-mated; -mating) Etymology: Latin collimatus, past participle of collimare, manuscript variant of collineare to make straight, from com- + linea line Date: 1878 to make (as light rays) parallel, collimation noun
COLLIMATE
Meaning of COLLIMATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012