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heliolithic

heliolithic, a.
  (ˌhiːlɪəʊˈlɪθɪk)
  [f. helio-, after eolithic, etc.]
  Designating a civilization characterized by megaliths and sun-worship.

1915 G. E. Smith Migr. Early Culture 4 The habit of megalithic building and sun-worship (a combination for which it is convenient to use Professor Brockwell's distinctive term ‘heliolithic culture’). 1916 Church Q. Rev. Jan. 283 The world-wide migration of this ‘heliolithic culture’. 1925 Bull. John Rylands Libr. IX. 402 There is no known heliolithic temple in the Thames Valley. 1929 W. Deeping Roper's Row xxxvi, But assuredly Ruth belonged to the old heliolithic people. She had something of the south in eyes, hair, temperament.

Oxford English Dictionary

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