1591. Sylvester, Du Bartas, I. i. 290. Suppose an Earth … without Hill or Plaine, A Heav’n un-hanged, un-turning, un-transparent.
1675. Evelyn, Terra (1676), 33. An impalpable whitish Sand, untransparent.
1754. Phil. Trans., XLVIII. 659. The matter appeared of a dark blackish colour, untransparent.
1862. Tyndall, Mountaineer., v. 38. The water [resolves itself] to transparent vapour, and the vapour to untransparent cloud.
1888. O. Crawfurd, Sylvia Arden, 361. So dark and untransparent was the flood water.
