Disturbance; perturbation. [R.] "Perturbance of the mind." Sharp.
Any one of numerous species of small, conical fossil
shells found in Paleozoic rocks. They are supposed to be pteropods.
(a) Same as Entresol. (b) A partial story which is not on the same level with the story of the main part of the edifice, as of a back building, where the floors are on a level with landing...