v.
Pronunciation: ' kä-l ə - ˌ m ā t
Function: transitive verb
Inflected Form: -mat · ed ; -mat · ing
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
– col · li · ma · tion \ ˌ kä-l ə - ' m ā -sh ə n \ noun