A plane figure bounded by two radii and the included arc of a circle.

Roget 51: part, portion; dose; item, particular; aught, any; division, ward; subdivision, section; chapter, clause, count, paragraph, verse; article, passage; sector, segment; fraction, fragment; cantle, frustum; detachment, parcel.    piece [Fr.], lump, bit cut, cutting; chip, chunk, collop^†, slice, scale; lamina etc. 204; small part; morsel, particle etc. (smallness) 32; installment, dividend; share etc. (allotment) 786.    debris, odds and ends, oddments, detritus; excerpta^†; member, limb, lobe, lobule, arm, wing, scion, branch, bough, joint, link, offshoot, ramification, twig, bush, spray, sprig; runner; leaf, leaflet; stump; component part etc. 56; sarmentum^†.    compartment; department etc. (class) 75; county etc. (region) 181.    ... show more

Dutch: cirkelsector, kwadrant, sector

A social group that forms part of the society or the economy.

Dutch: -wezen, bedrijf, branche, sector, wezen
Polish: sektor

A particular aspect of life or activity:
— He was helpless in an important sector of his life.

synonym: sphere.

Roget 247: circularity, roundness; rotundity etc. 249.    circle, circlet, ring, areola, hoop, roundlet^†, annulus, annulet^†, bracelet, armlet; ringlet; eye, loop, wheel; cycle, orb, orbit, rundle, zone, belt, cordon, band; contrate wheel^†, crown wheel; hub; nave; sash, girdle, cestus^†, cincture, baldric, fillet, fascia, wreath, garland; crown, corona, coronet, chaplet, snood, necklace, collar; noose, lasso, lassoo^†.    ellipse, oval, ovule; ellipsoid, cycloid; epicycloid [Geom.], epicycle; semicircle; quadrant, sextant, sector.    sphere etc. 249.    ... show more

The minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes.

Polish: sektor, sektor dysku

A portion of a military position.

Polish: odcinek

Measuring instrument consisting of two graduated arms hinged at one end.