THESAURUS
torsion
ambages, anamorphism, anamorphosis, anfractuosity, asymmetry, buckle, circuitousness, circumambages, circumbendibus, circumlocution, circumvolution, contortion, convolution, crinkle, crinkling, crookedness, deflection, deflexure, detorsion, deviation, diffraction, diffusion, dispersion, disproportion, distortion, flection, flexuosity, flexuousness, flexure, gnarl, imbalance, intorsion, involution, irregularity, knot, lopsidedness, meander, meandering, quirk, refraction, rivulation, scatter, screw, sinuation, sinuosity, sinuousness, skewness, slinkiness, snakiness, stress, torque, tortility, tortuosity, tortuousness, turn, turning, twist, twisting, undulation, unsymmetry, warp, wave, waving, winding, wrench, wrest, wring
ROGET THESAURUS
torsion
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.