Definition of autocollimating in English:
autocollimating
adjective ˌɔːtə(ʊ)ˈkɒlɪmeɪtɪŋ
Of an instrument: that employs autocollimation.
Origin
Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From auto- + collimating.
Definition of autocollimating in US English:
autocollimating
adjectiveˌɔːtə(ʊ)ˈkɒlɪmeɪtɪŋ
Of an instrument: that employs autocollimation.
Origin
Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From auto- + collimating.