higher apsis
noun
See under apsis.
Words nearby higher apsis
Definition for higher apsis (2 of 2)
apsis
[ ap-sis ]
/ ˈæp sɪs /
noun, plural ap·si·des [ap-si-deez] /ˈæp sɪˌdiz/.
Astronomy.
either of two points in an eccentric orbit, one (higher apsis) farthest from the center of attraction, the other (lower apsis) nearest to the center of attraction.
Architecture.
an apse.
Origin of apsis
1595–1605; < Latin < Greek
hapsís (felloe of) a wheel, arch, vault, orig., fastening, equivalent to
háp(tein) to fasten +
-sis
-sis
British Dictionary definitions for higher apsis
apsis
/ (ˈæpsɪs) /
noun plural apsides (æpˈsaɪdiːz, ˈæpsɪˌdiːz)
Also called: apse
either of two points lying at the extremities of an eccentric orbit of a planet, satellite, etc, such as the aphelion and perihelion of a planet or the apogee and perigee of the moon. The line of apsides connects two such points and is the principal axis of the orbit
another name for apse (def. 1)
Derived forms of apsis
apsidal (æpˈsaɪdəl, ˈæpsɪdəl), adjectiveWord Origin for apsis
C17: via Latin from Greek; see
apse
Scientific definitions for higher apsis
apsis
[ ăp′sĭs ]
Plural apsides (ăp′sĭ-dēz′)
In the path of an orbiting body, either of the two points at which it is closest to or farthest away from the body it is orbiting. See also apoapsis periapsis.