Elevation, or geometric height, is mainly used when referring to points on the Earth 's surface, while altitude or geopotential height is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit, and depth is used for points below the surface.
disquiet - disturb in mind or make uneasy or cause to be worried or alarmed; She was rather perturbed by the news that her father was seriously ill Synonyms: cark, disorder, perturb, unhinge, distract, trouble
Example Sentences for disquietude. Here had lived an elder race, to which we look back with disquietude. EsmÃ© observed his disquietude with considerable satisfaction. Then his causeless doubt and disquietude again came on him so painfully that he could no longer remain at the window. The sound came from abaft his beam and his disquietude increased.