The story
From auto- + collimator.
Etymology from Wiktionary, CC BY-SA 4.0.
autocollimator
Today it means: A device that uses a plane mirror to align or collimate optical devices Full definition →
Today it means: A device that uses a plane mirror to align or collimate optical devices Full definition →
From auto- + collimator.
Etymology from Wiktionary, CC BY-SA 4.0.