Term: cassegrainian telescope: a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: spruce pine: large two-needled pine of southeastern United States with light soft wood
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: veery: tawny brown North American thrush noted for its song
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: mince pie: pie containing mincemeat
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: fish and chips: fried fish and french-fried potatoes
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: dress rehearsal: a full uninterrupted rehearsal in costumes shortly before the first performance
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: postscript: a note appended to a letter after the signature
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: riding school: a school where horsemanship is taught and practiced
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: laptop: a portable computer small enough to use in your lap
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: syrian: a native or inhabitant of Syria
Broader: magnifier: a scientific instrument that magnifies an image | Unrelated: exaggeration: making to seem more important than it really is