Definition of apsidal in English:

apsidal

Line breaks: ap|sidal
Pronunciation: /ˈapsɪd(ə)l
 
/

adjective

1 Architecture In the form of or resembling an apse.
More example sentences
  • It is in the typical English perpendicular style, being square-ended, not the semi-circular apsidal ends as favoured on the continent.
  • The apsidal hall has a small tower over its end to give the appearance of height.
  • He also rounded the projecting east wing, giving it an apsidal configuration.
2 Astronomy Relating to an apsis.
More example sentences
  • The angle through which the radius vector rotates in going between two consecutive apsides is called the apsidal angle.
  • Apsidal motion is one of the classical diagnostics of stellar structure.
  • 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.

Origin

mid 19th century: from Latin apsis (see apsis) + -al.

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