basculation

1. archaicuncountablemedicineThe replacement of a retroverted uterus by swinging it into its place.

   This twofold movement upon the centre, - this basculation, - has succeeded in cases where the elevation, singly, has been unsuccessful.

   1834, Gillain Boivin, A Practical Treatise on the Diseases of the Uterus and Its Appendages

plural basculations

1. geographyThe tilting of a geological layer.

   This elongated distribution is unlikely to have been produced by any tectonic cause, either continental drift or local basculations.

   2006, Mabel Mena, “Paleomagnetism, rock-magnetism and geochemical aspects of early Cretaceous basalts of the Paraná Magmatic Province, Misiones, Argentina”, in Earth, Planets and Space, volume 58, page 1283

   2 more examples

   And during the Middle and Upper Carboniferous the basculation of the palaeozoic deposits was produced forming nowadays a monoclinal system in the northern border of the Tinduf depression […]

   1959, Notes on the Geological Literature of Spanish Sahara

   Flexural basculation towards the south, in combination with the main sediment source being in the Betic cordillera, determined an axial (along-strike) fluvial drainage running along the northern boundary of the sedimentary basin […]

   2019 September, G Jiménez-Moreno, “Early Pliocene climatic optimum, cooling and early glaciation deduced by terrestrial and marine environmental changes in SW Spain”, in Global and Planetary Change, volume 180, page 89