Definition of apsidal in English:
apsidal
adjective ˈapsɪd(ə)lˈæpsədl
1Architecture
In the form of or resembling an apse.
Example sentencesExamples
- It is in the typical English perpendicular style, being square-ended, not the semi-circular apsidal ends as favoured on the continent.
- He also rounded the projecting east wing, giving it an apsidal configuration.
- The apsidal hall has a small tower over its end to give the appearance of height.
- Early in the 12th century the church was enlarged, and provided with a fashionable apsidal chancel.
- Built of flint and rubble with dressings of Binstead stone, the aisleless apsidal church has only one entrance.
2Astronomy
Relating to an apsis.
Example sentencesExamples
- The angle through which the radius vector rotates in going between two consecutive apsides is called the apsidal angle.
- Thus, if at an apse the direction of velocity is reversed, it will trace a symmetrical orbit on the other side of the apsidal distance.
- An apsidal motion with a period of 80.7 years was confirmed and a third body in an eccentric orbit with a period of 85.4 years was found.
- Apsidal motion is one of the classical diagnostics of stellar structure.
Origin
Mid 19th century: from Latin apsis (see apsis) + -al.