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bradyseism
bradyseism n. 
/ˈbradᵻsʌɪz(ə)m/, /ˈbrædᵻˌsaɪz(ə)m/ a slow rise and fall of the earth's crust.
Brit. /ˈbreɪdᵻsʌɪz(ə)m/
, /ˈbreɪdᵻsʌɪz(ə)m//ˈbradᵻsʌɪz(ə)m/U.S. /ˈbreɪdᵻˌsaɪz(ə)m/
, /ˈbreɪdᵻˌsaɪz(ə)m//ˈbrædᵻˌsaɪz(ə)m/ΘΚΠ
the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > upheaval
ridging1499
upheaving1821
upthrow1833
upheaval1838
upheavement1841
uplifting1845
upthrust1846
uplift1853
upraisal1865
bradyseism1896
upwarping1954
updoming1964
1896 Daily News 11 Feb. 6/2 The slow movements, or bradyseisms..were those which had resulted in the formation of continents.
1959 A. A. G. Schieferdecker Geol. Nomencl. 196/2 Bradyseism, slow movement of the ground especially recognizable by an upheaval, subsidence or a shifting of shore line.
1959 A. A. G. Schieferdecker Geol. Nomencl. 268/1 Bradyseism, slow vertical movements of the earth's crust, caused by volcanic action.
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