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Relating to a mirror, a reflector, or reflection.
- ‘Ambrose, built in 1952-53, is the only lightship equipped with a modern catoptric type lens.’
- ‘The most unusual feature of this microscope is the catoptric concave mirror used in image formation to reduce the effects of aberration in the objective.’
- ‘Prior to that the single catoptric fixed white light was powered by three burners.’
- ‘The jewel of the site is the catoptric light with its brass and steel clockwork to turn it.’
- ‘The main problem with these early catoptric systems was the light source.’
Mid 16th century (as a noun in the sense ‘the part of optics that deals with reflection’): from Greek katoptrikos, from katoptron mirror.
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.