/æpˈsaɪdiːz/, commonly in English /ˈæpsɪdiːz/).apsisn.
/ˈapsɪs/, U.S. /ˈæpsəs//æpˈsaɪdiːz/, commonly in English /ˈæpsɪdiːz/).ΘΚΠ
the world > the universe > planet > planetary movement > [noun] > orbit
augec1392
sphere1595
apsis1601
polar axis1724
the world > space > shape > curvature > roundness > [noun] > circularity > a circle > circumference
compass1340
circuita1382
roundnessa1382
circumference1393
circlea1400
round?a1500
circumstance1509
apsis1601
ambit1655
1601 P. Holland tr. Pliny Hist. World I. 10 [The planets] seeme to moue more slowly when they goe their highest circuit..because the lines which are drawne from the top of the Absis, must needs grow narrow and neere together about the centre, as the spokes in cart wheeles.
1603 P. Holland tr. Plutarch Morals 1312 The Absis or rundle of the Sistrum.
1706 Phillips's New World of Words (new ed.) Absis..the Ring or Compass of a Wheel.
2. Astronomy. One of the two points in the elliptic orbit of a planetary body, at which it is respectively at its greatest and least distance from the body about which it revolves; the aphelion or perihelion of a planet, the apogee or perigee of the moon. Line of apsides: the straight line joining these two points.
ΘΚΠ
the world > the universe > planet > planetary movement > [noun] > orbit > apsis
auge1602
apsis1658
point of station1671
apsid1743
stationary point1788
apse1822
1658 E. Phillips New World Eng. Words Absis, when the Planets moving to their highest or lowest places, are at a stay; the high Absis, being call'd the Apogæum, and the low Absis, the Perigæum.
1681 G. Wharton Mutations Empires in Wks. 129 The Change of the Absides of the Planets.
1753 Philos. Trans. 1751–2 (Royal Soc.) 47 64 A given motion of the apsis, retrograde or direct.
1862 H. Spencer First Princ. ii. x. §83 The revolution of the line of apsides, which in course of time moves round the heavens.
3.
a. Architecture. = apse n. 1.
ΘΚΠ
society > faith > artefacts > division of building (general) > apse > [noun]
tribunalc1660
apsid1670
apsis1706
tribunea1771
chevet1809
apse1845
conch1849
concha1869
society > leisure > the arts > visual arts > architecture > other elements > [noun] > apse
apsid1670
apsis1706
apse1845
1706 Phillips's New World of Words (new ed.) Absis or Apsis, the bowed or arched Roof of a House, Room, or Oven.
1845 R. Ford Hand-bk. Travellers in Spain I. vi. 509 One noble nave, with a semicircular absis.
1852 A. Jameson Legends Madonna 7 The figure in the apsis of St. John Lateran.
b. Also, since these had their place in an apse or apsis, used for: (a) The bishop's seat or throne in ancient churches. (b) A reliquary.
This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2021).
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n.1601