planispheric taxt-sepehri, taxt-kore-yi Fr.: planisphérique Of or relating to → planisphere. → planisphere + → -ic.. |
planispheric astrolabe ostorlâb-e taxt-sepehri, ~ kore-yi Fr.: astrolabe planisphérique The most common form of the → astrolabe in which both the → celestial sphere and the observer's horizon are projected on to one or more plane surfaces by means of the stereographic projection. See also → universal astrolabe and → particular astrolabe. → planispheric; → astrolabe. |