Chapter Words Relating to Space of Index by Roget's Thesaurus

Fork, bifurcation, dichotomy.

A right angle, see Perpendicularity 212, salient and re-entrant angles, acute and obtuse angles.

A polygon, square, triangle, etc., lozenge, diamond, rhomb, etc., gore, gusset, wedge.

T-square, protractor, etc.

(Verbs). To bend, refract, diffract, crook, hook, fork, bifurcate, angulate, crinkle, crankle, splay.

(Adjectives). Angular, bent, crooked, hooked, aduncous, aquiline, jagged, serrated, falciform, falcated, furcated, forked, bifurcate, zigzag; dovetailed, knock-kneed, crinkled, akimbo, geniculated, polygonal, etc., fusiform, sagittate, arrow-headed, wedge-shaped, cuneate, cuneiform, splayed, angulate.

• Curvature (Substantives), curvation, incurvity, incurvation, bend, flexure, flexion, camber, bending, deflexion, inflexion, arcuation, diffraction, turn, deviation, detour, sweep, sinuosity, curl, curling, winding, recurvature, recurvation, refraction, flexibility 324.

A curve, are, parabola, hyperbola, arch, arcade, vault, bow, crescent, half - moon, lunette, horse-shoe, loop, bight, crane-neck, conchoid, ogee, etc.

(Verbs). To be curved, etc., to bend, curve, etc., decline, turn, trend, deviate, re-enter, sweep.

To render curved; to bend, curve, incurvate, camber, deflect, inflect, crook, turn, round, arch, arcuate, bow, curl, recurve, loop, frizzle.

(Adjectives). Curved, bent, etc., curvilinear, curviform, recurved, recurvous, parabolic, hyperbolic, bowed, crooked, bandy, arched, vaulted, arcuated, hooked, falcated, falciform, crescent-shaped, semilunar, semicircular, conchoidal, lunular, lunulate, cordiform, heart-shaped, reniform; bow-kneed, bow-legged, bandy-legged, knock-kneed, devious.

• Straightness (Substantives), rectilinearity, directness.

A straight line, a right line, a direct line; inflexibility 323.

(Verbs). To be straight, etc.

To render straight, to straighten, rectify, set or put straight, take the curl out of, unbend, unfold, uncurl, uncoil, unroll, unwind, unravel, untwist, unwreathe, unwrap.

(Adjectives). Straight, rectilinear (or rectilineal), direct, even, right, in a line; unbent; not inclining, bending, turning, or deviating to either side; undeviating, unturned, undistorted, unswerving.

(Phrases). Straight as an arrow; as the crow flies.

• Simple circularity.

Circularity (Substantives), roundness.

A circle, circlet, ring, areola, hoop, roundlet, annulus, annulet, bracelet, bangle, ringlet, eye, loop, wheel, cycle, orb, orbit, rundle, zone, belt, cordon, band, sash, girdle, cestus, cincture, baldric, fillet, cummerbund, fascia, wreath, garland, crown, corona, coronal, coronet, chaplet, necklace, rivière; noose, lasso.

An ellipse, oval, ovule, ellipsoid, cycloid, epicycloid, epicycle, etc.

(Verbs). To round, to circle, encircle, environ, etc. 227.

(Adjectives). Round, rounded, circular, annular, orbicular.

Oval, elliptical, elliptic, ovate, egg - shaped; cycloidal, etc., moniliform.