Apse line
.
the major axis of an elliptical orbit.
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- Apse
architecture. a semicircular or polygonal termination or recess in a building, usually vaulted and used especially at the end of a choir in a church. astronomy. an apsis. historical examples the aisles were vaulted, and the semi-dome of the apse was decorated with mosaics on a gold ground. the sh-r-s of the adriatic f. hamilton […]
- Apsf
apsf anesthesia patient safety foundation
- Apsidal
architecture. a semicircular or polygonal termination or recess in a building, usually vaulted and used especially at the end of a choir in a church. astronomy. an apsis. historical examples the roof of the chancel is apsidal, externally, as well as the nave, covered with modern house tiles. a history of horncastle james conway walter […]
- Apsidal motion
the rotation of the major axis of an eccentric orbit in the plane of the orbit.
- Apsides
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. historical examples the two are joined by a diameter called the line of the apsides. the sailor’s word-book william henry smyth the line of […]