smooth

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smooth

1. (of the skin) free from hair
2. not harsh or astringent
3. Maths (of a curve) differentiable at every point
4. Physics (of a plane, surface, etc.) regarded as being frictionless
5. Tennis squash badminton the side of a racket on which the binding strings form a continuous line

smooth

[smüth]
(oceanography)
Comparatively calm water between heavy seas.
(statistics)
To modify a sequential set of numerical data items in a manner designed to reduce the differences in value between adjacent items.
References in periodicals archive ?
Dwyer's Rawson book: "Sly as a fox with a smooth tongue."
Tsard slides a long, smooth tongue along my neck and behind my ear as my notebook spills its contents.
Still, if anyone can broker a rapprochement, it will be this famously smooth tongue.