smooth surface


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smooth surface

[¦smüth′sər·fəs]
(mathematics)
A surface which has a tangent plane at each point, and for which the direction of the normal to this plane is a continuous function of the point of tangency.
References in classic literature ?
The sound was small, but, like a little pebble dropped into a glassy fountain, it broke all the smooth surface of his thoughts, until his whole soul was filled with disturbance.
He was drawn on and on away from all he knew, slipping over barriers and past landmarks into unknown waters as the boat glided over the smooth surface of the river.
As he approached the creature which stood now behind a large, flat-topped pedestal beside the alcove, he saw lying upon the smooth surface something that almost elicited a gasp of astonishment from him--a simple, common thing it was, or would have been almost anywhere in the world but Caspak--a square bit of paper!
Rose hastened to prepare the meal, finding it more difficult to be cheerful as she realized how indifferent Martin was to her feelings, if only she presented a smooth surface.
The weary days pass on with solemn pace, like mourners at a funeral; and slowly he begins to feel that the white walls of the cell have something dreadful in them: that their colour is horrible: that their smooth surface chills his blood: that there is one hateful corner which torments him.
Even the smooth surface of family-union seems worth preserving, though there may be nothing durable beneath.
s Smooth Surface Motors are now available for the North American market and for export to key global markets, including both the HM and HMT series.
Sheet shall be smooth surface on both sides, free from irregularities only acceptable to us.
It is applied when hot and cools to provide a smooth surface and improved skid resistance.
The patent covers the following steps: forming a billet having a continuous and smooth surface comprised of an extruded cleansing base, placing one or more inclusion masses on the continuous and smooth surface of the billet to form an inclusion bearing billet; stamping the inclusion bearing billet in a direction perpendicular to the surface on which the inclusion mass is placed to embed the inclusion mass or masses into a surface layer of the billet to form a personal washing bar having one or more visually distinct surface inclusions.
While offering protection to metallic surfaces in different kinds of environments, Rilsan provides resistance to most cleaning agents, and imparts an attractive and smooth surface aspect, which is also warm to the touch.
A second narrow end is adapted to cover the "crotch" portion of the garment and has a first generally smooth surface and a second opposed generally smooth surface.