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[sol-stish-uh l, sohl-] /sɒlˈstɪʃ əl, soʊl-/
of or relating to a solstice or the solstices:
a solstitial point.
occurring at or about the time of a solstice.
characteristic of the summer solstice.
Origin of solstitial
1550-60; < Latin sōlstitiālis; see solstice, -al1
Related forms
solstitially, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for solstitial
Historical Examples
  • The epochs when the sun passes through the solstitial points.

    The Sailor's Word-Book William Henry Smyth
  • Now the townsmen are all out of doors on account of the solstitial holiday.

  • The first was an equinoctial, the second a solstitial armilla.

  • On the surface of the sphere the equator, the ecliptic, the equinoctial, and the solstitial colures are represented.

    Terrestrial and Celestial Globes Vol I Edward Luther Stevenson
  • Note the star μ, which serves to point out the Winter Solstice, where the solstitial colure intersects the ecliptic.

    A Field Book of the Stars William Tyler Olcott
  • Belonging to summer; the solstitial point whereby the sun's ascent above the equator is determined.

    The Sailor's Word-Book William Henry Smyth
  • Great circles passing through the equinoctial and solstitial points, and the poles of the earth.

    The Sailor's Word-Book William Henry Smyth
  • The two points of the ecliptic, which are each 90° distant from the equinoctial points, are called the solstitial points.

    The Sailor's Word-Book William Henry Smyth
  • A great circle passing through the poles and solstitial points.

    The Sailor's Word-Book William Henry Smyth
  • Parmenides was the first that confined the habitable world to the two solstitial (or temperate) zones.

Word Origin and History for solstitial

1550s, from Latin solstitialis, from solstitium (see solstice).

Online Etymology Dictionary, © 2010 Douglas Harper
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