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: S Sè Sé S- S. S/ Sa Sb Sc Sd Se Sf Sg Sh Si Sj Sk Sl Sm Sn So Sp Sq Sr Ss St Su Sv Sw Sy Sz

Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS
ROGET THESAURUS

sigmoid

POS

Adjective, Noun

HYPHEN

sig=moid

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WORDNET DICTIONARY

Adjective sigmoid has 2 senses

sigmoid(a = adj.pert) Array - curved in two directions (like the letter S); Array

sigmoid(a = adj.pert) sigmoidal - of or relating to the sigmoid flexure in the large intestine; Array

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CIDE DICTIONARY

sigmoid, a. [Gr. ; sigma + e'i^dos form, likeness: cf. F. sigmoïde.].

Curved in two directions, like the letter S, or the Greek 1913 Webster]

Sigmoid flexure (Anat.), the last curve of the colon before it terminates in the rectum. See Illust. under Digestive. -- Sigmoid valves. (Anat.) See Semilunar valves, under Semilunar.

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OXFORD DICTIONARY

sigmoid, adj. & n.
--adj.
1 curved like the uncial sigma; crescent-shaped.
2 S-shaped.
--n. (in full sigmoid flexure) Anat. the curved part of the intestine between the colon and the rectum.

Etymology

Gk sigmoeides (as SIGMA)

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THESAURUS

sigmoid

Cynthian, S-shaped, ambagious, anfractuous, bicorn, circuitous, circumlocutory, convolutional, corniform, crescent, crescent-shaped, crescentic, crescentiform, crescentlike, falcate, falciform, flexuose, flexuous, horn-shaped, horned, involute, involuted, involutional, labyrinthine, lunar, lunate, luniform, lunular, mazy, meandering, meandrous, menisciform, meniscoid, moon-shaped, moonlike, rivose, rivulose, roundabout, ruffled, semicircular, semilunar, serpentine, sickle-like, sickle-shaped, sinuate, sinuose, sinuous, snaky, torsional, tortile, tortuous, turning, twisting, twisty, two-horned, whorled, winding, wreathlike, wreathy

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ROGET THESAURUS

sigmoid

Convolution

N convolution, winding, convolution, involution, circumvolution, wave, undulation, tortuosity, anfractuosity, sinuosity, sinuation, meandering, circuit, circumbendibus, twist, twirl, windings and turnings, ambages, torsion, inosculation, reticulation, rivulation, roughness, coil, roll, curl, buckle, spiral, helix, corkscrew, worm, volute, rundle, tendril, scollop, scallop, escalop, kink, ammonite, snakestone, serpent, eel, maze, labyrinth, knot, convoluted, winding, twisted, tortile, tortive, wavy, undated, undulatory, circling, snaky, snake-like, serpentine, serpent, anguill, vermiform, vermicular, mazy, tortuous, sinuous, flexuous, anfractuous, reclivate, rivulose, scolecoid, sigmoid, sigmoidal, spiriferous, spiroid, involved, intricate, complicated, perplexed, labyrinth, labyrinthic, labyrinthian, labyrinthine, peristaltic, daedalian, kinky, knotted, wreathy, frizzly, crepe, buckled, raveled, spiral, coiled, helical, cochleate, cochleous, screw-shaped, turbinated, turbiniform, in and out, round and round, a can of worms, Gordian knot.

For further exploring for "sigmoid" in Webster Dictionary Online