| 释义 |
orthostatic, a.|ɔːθəʊˈstætɪk|
[f. ortho- + static a.; in sense 1 coined as F. orthostatique (J. Teissier 1899, in Semaine Medicale 425/1).]
1. Med. Caused by, or resulting from, an upright posture; manifested or occurring while a person is standing up.
1902Med. Ann. XX. 90 The condition..variously called intermittent or cyclical albuminuria, is perhaps best defined by the term orthostatic albuminuria, for..position is the factor which determines the appearance and disappearance of the albumin. 1927Physiol. Rev. VII. 466 Disturbed vascular conditions, such as orthostatic albuminuria. 1961Lancet 26 Aug. 475/1 The unusual disorder known as orthostatic hypotension of unknown origin. 1971New Scientist 29 July 249/1 The cosmonauts of Soyuz 9 suffered from severe orthostatic hypotension and for several days were unable to assume the erect posture unaided.
2. Archæol. Set on end; constructed of stones or slabs set on end.
1912T. E. Peet Rough Stone Monuments p. iv, The first and most important principle, that on which the whole of the megalithic construction may be said to be based, is the use of the orthostatic block, i.e. the block set up on its edge. Ibid., The orthostatic slabs were often deeply sunk into the ground where this consisted of earth or soft rock. 1926D. G. Hogarth Kings of Hittites ii. 29 Ground-courses of orthostatic slabs. 1941Proc. Prehist. Soc. VII. 1 The use of large stones for orthostatic walling. 1950G. E. Daniel Prehist. Chamber Tombs Eng. & Wales iii. 34 In almost all the chambers with orthostatic walls there is also intercalary walling to fill up the spaces.
Hence orthoˈstatically adv.
1950Chambers's Encycl. IX. 234/1 The burial chamber or chamber tomb, a vault or chamber walled with megaliths set orthostatically side by side. |