Having a surface so uniform that the eye and the touch do not readily detect any projections or irregularities in it; not rough; of water, not ruffied, or not undulating.Free from hair: as, a smooth face.Free from lumps: especially noting flour, starch, and the like.Not harsh; not rugged; even; harmonious.Using pleasing or euphonious language.In Greek grammar, free from aspiration; not rough: as, a smooth mute; the smooth breathing.Bland; mild; soothing; insinuating; wheedling: noting persons or speech, etc.Free from anything disagreeable or unpleasant.Unruffled; calm; even; complaisant: as, a smooth temper.Without jolt, jar, or shock; even: as, smooth sailing; smooth driving.Gentle; mild; placid.Free from astringency, tartness, or any stinging or titillating character; soft to the nerves of taste: used especially of spirit.In zoology, not rough, as an unsculptured surface, or one without visible elevations (as granules, points, papillæ, and nodes) or impressions (as striæ, punctures, and foveæ), though it may be thinly clothed with hairs or minute scales.In botany, either opposed to scabrous (that is, not rough), or equivalent to glabrous (that is, not pubescent): the former is the more correct sense.Synonyms Plain, level, polished.Voluble, fluent.Oily.n. The act of smoothing.n. That which is smooth; the smooth part of anything; a smooth place.n. Specifically, a field or plat of grass.To make smooth; make even on the surface by any means: as, to smooth a board with a plane; to smooth cloth with an iron.To free from obstruction; make easy; remove, as an obstruction or difficulty.To free from harshness; make flowing.To palliate; soften.To calm; mollify; allay.To make agreeable; make flattering.To utter agreeably; hence, to free from blame; exonerate.To modify (a given series of values) so as to remove irregularities.To become smooth.To repeat flattering or wheedling words.In old music, same as plain, 16.Numerical methods, in which the means are taken of successive pairs of observations and again the means of successive means. This process may be repeated indefinitely, and is known as Bloxaming or Bloxam's method. An analogous method, but one more nearly in accord with the precepts of the laws of chance, is embodied in the following rule, devised by Dr. Galle of Breslau, for combining together seven consecutive daily means a ……. g into one value for the median date :This formula can be rearranged so as to reduce the whole process of computation to a simple system of summing and halving.