Apedia

Sphere Latin   A Circles Celestial Plane Time Noun

Title planisphere
Text
Merriam-Webster's Collegiate Dictionary
pla·ni·sphere
 \\ˈplā-nə-ˌsfir\\ noun
 ETYMOLOGY  alteration of Middle English planisperie, from Medieval Latin planisphaerium, from Latin planum plane + sphaerasphere
 DATE  1571
: a representation of the circles of the sphere on a plane; especially : a polar projection of the celestial sphere and the stars on a plane with adjustable circles or other appendages for showing celestial phenomena for any given time
• pla·ni·spher·ic 
 \\ˌplā-nə-ˈsfir-ik, -ˈsfer-\\ adjective
Webster's Third New International Dictionary, Unabridged
plan·i·sphere
\ˈplanə̇ˌsfi(ə)r\ noun
Etymology: Medieval Latin planisphaerium, from Latin planus flat, plane + sphaera sphere — more at 
floor
sphere
: a representation of the circles of the sphere on a plane; especially : a polar projection of the celestial sphere and the stars on a plane with adjustable circles or other appendages for showing celestial phenomena (as the position of the heavens or the time of rising and setting of stars) for any given time
• plan·i·spher·ic \| ̷ ̷ ̷ ̷|sfirik, -fer-\ adjective

Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.

Next card: Concave adjective  flat side plano-concave merriam-webster's collegiate dictionary

Previous card: Pla·nim·e·ter noun  french   an instrument measuring area plane

Up to card list: English learning