Sector vs. Segment

section

zone (designated area).

(geometry) part of a circle, extending to the center

(computing) fixed-sized unit (traditionally 512 bytes) of sequential data stored on a track of a digital medium (compare to block)

(military) an area designated by boundaries within which a unit operates, and for which it is responsible

(military) one of the subdivisions of a coastal frontier

(science fiction) a fictional region of space designated for navigational or governance purposes.

(calculation) an instrument consisting of two rulers of equal length joined by a hinge.

a field of economic activity

Example: ‘public sector;’; ‘private sector’;

(engineering) A toothed gear whose face is the arc of a circle.

A part of a circle comprehended between two radii and the included arc.

A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.

An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.

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

a body of people who form part of society or economy;

Example: ‘the public sector’;

a particular aspect of life or activity;

Example: ‘he was helpless in an important sector of his life’;

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

a portion of a military position

measuring instrument consisting of two graduated arms hinged at one end

an area or portion that is distinct from others

Example: ‘operations in the southern sector of the North Sea’;

a distinct part or branch of a nation's economy or society or of a sphere of activity such as education

Example: ‘the government aimed to reassure the industrial and commercial sector’;

a subdivision of an area for military operations.

a subdivision of a track on a magnetic disk.

the plane figure enclosed by two radii of a circle or ellipse and the arc between them.

a mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc. for making diagrams.

A length of some object.

Example: ‘a segment of rope’;

One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion.

Example: ‘a segment of an orange;’; ‘a segment of a compound or divided leaf’;

(mathematics) A portion.

A straight path between two points that is the shortest distance between them.

(geometry) The part of a circle between its circumference and a chord (usually other than the diameter).

(geometry) The part of a sphere cut off by a plane.

(topology) Any of the pieces that constitute an order tree.

(science) A portion.

(phonology) A discrete unit of speech: a consonant or a vowel.

(botany) A portion of an organ whose cells are derived from a single cell within the primordium from which the organ developed.

(zoology) One of several parts of an organism, with similar structure, arranged in a chain; such as a vertebra, or a third of an insect's thorax.

(broadcasting) A part of a broadcast program, devoted to a topic.

Example: ‘The news showed a segment on global warming.’;

(computing) An Ethernet bus.

(computing) A region of memory or a fragment of an executable file designated to contain a particular part of a program.

(travel) A portion of an itinerary: it may be a flight or train between two cities, or a car or hotel booked in a particular city.

(heraldry) A bearing representing only one part of a rounded object.

(ambitransitive) To divide into segments or sections.

Example: ‘Segment the essay by topic.’;

One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a segment of an orange; a segment of a compound or divided leaf.

A part cut off from a figure by a line or plane; especially, that part of a circle contained between a chord and an arc of that circle, or so much of the circle as is cut off by the chord; as, the segment acb in the Illustration.

A piece in the form of the sector of a circle, or part of a ring; as, the segment of a sectional fly wheel or flywheel rim.

One of the cells or division formed by segmentation, as in egg cleavage or in fissiparous cell formation.

To divide or separate into parts in growth; to undergo segmentation, or cleavage, as in the segmentation of the ovum.

one of several parts or pieces that fit with others to constitute a whole object;

Example: ‘a section of a fishing rod’; ‘metal sections were used below ground’; ‘finished the final segment of the road’;

one of the parts into which something naturally divides;

Example: ‘a segment of an orange’;

divide into segments;

Example: ‘segment an orange’; ‘segment a compound word’;

divide or split up;

Example: ‘The cells segmented’;

each of the parts into which something is or may be divided

Example: ‘the market for private cars can be broken down into several segments’; ‘orange segments’; ‘a large segment of the local population’;

a portion of time allocated to a particular broadcast item on radio or television

Example: ‘Hammond and the others were filming a segment for his programme’; ‘they probably want to tape you for the eleven o'clock segment’;

a part of a figure cut off by a line or plane intersecting it.

the part of a circle enclosed between an arc and a chord.

the part of a line included between two points.

the part of a sphere cut off by any plane not passing through the centre.

each of the series of similar anatomical units of which the body and appendages of some animals are composed, such as the visible rings of an earthworm's body.

the smallest distinct part of a spoken utterance, especially with regard to vowel and consonant sounds rather than stress or intonation.

divide (something) into separate parts or sections

Example: ‘the unemployed are segmented into two groups’;

divide into separate parts or sections

Example: ‘the market is beginning to segment into a number of well-defined categories’;

(of a cell) undergo cleavage; divide into many cells.