Dioptric — Di*op tric, Dioptrical Di*op tric*al, a. [Gr. ? belonging to the use of the ?; ? = dia through + the root of ? I shall see: cf. F. dioptrique.] Of or pertaining to dioptrics; assisting vision by means of the refraction of light; refractive; as,… … The Collaborative International Dictionary of English
Dioptrical — Dioptric Di*op tric, Dioptrical Di*op tric*al, a. [Gr. ? belonging to the use of the ?; ? = dia through + the root of ? I shall see: cf. F. dioptrique.] Of or pertaining to dioptrics; assisting vision by means of the refraction of light;… … The Collaborative International Dictionary of English
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
COROT — Model of the Corot satellite General information NSSDC ID 2006 063A Organization … Wikipedia
lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… … Universalium
