[UP-7. Cf. UPTURN v.] The action of turning or causing to turn upwards; an instance of this.
[1775. Ash.]
1846. Dana, Zooph. (1848), 131. An upturning of the margin.
1855. J. Phillips, Man. Geol., 388. The upturning of the strata through an arc of 90°.
1869. E. A. Parkes, Pract. Hygiene (ed. 3), 583. There has been much upturning of the soil.
1873. Black, Pr. Thule, vii. A quick upturning of the face.
fig. 1864. Trevelyan, Compet. Wallah, ix. 309. The general up-turning of society occasioned by the rebellion.