集しゅう光こう器きしゅうこうきMeanings1nouncondenser; light condenserTechnical term for an optical device that concentrates light, such as in microscopes or projectors.顕けん微び鏡きょうの集しゅう光こう器きを調ちょう整せいして、より明あかるい像ぞうを得えた。I adjusted the microscope's condenser to get a brighter image.