apsis
Kelime Anlamı :

1. elips tepeleri.
2. elipsin tepeleri.
3. gezegenin yerçekimi merkezine en uzak ve en yakın noktaları.
4. apse.
Tanımlar :
1. architecture an apse.
2. astronomy the point of greatest or least distance of the orbit of a celestial body from a center of attraction.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. A recess or projection, with a dome or vault, at the east end of a church; an apse.
2. either of the points in the elliptical orbit of a planet or comet where it is closest or furthest from the sun; perihelion or aphelion; an apside
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. a domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.