From Longman Dictionary of Contemporary Englishsegmentseg‧ment1 /ˈseɡmənt/ ●○○ noun [countable] 1 PARTa part of something that is different from or affected differently from the whole in some waysegment of segments of the population2 
PARTa part of a fruit, flower, or insect that it naturally divides into Decorate with orange segments.3 technicalCF the part of a circle that is separated from the rest of the circle when you draw a straight line across it4 technicalPART the part of a line or of a length of something between two pointssegment of segments of DNA
PARTa part of a fruit, flower, or insect that it naturally divides into Decorate with orange segments.3 technicalCF the part of a circle that is separated from the rest of the circle when you draw a straight line across it4 technicalPART the part of a line or of a length of something between two pointssegment of segments of DNAExamples from the Corpus
segment• An ant's body is divided into three distinct segments.• Their stories are bountiful in this engagingly mounted documentary, running Sunday night in three one-hour segments on the History Channel.• Microprocessor sales represent one of the largest segments of the chip market.• There is also a list of the next segments to be tried in the lattice.• For the dragonflies, mould small curved lengths and mark on segments with a cocktail stick.• The diagram has one segment filled in; pupils could fill in the others themselves, working either in groups or individually.• Decorate the cake with orange segments.• orange segments• Each sales team targets its efforts at a particular segment of the general population.• The program included a short segment about pet owners.• In this segment of the nephron, reabsorption is all isotonic, and no contribution to dilution is made.segment of• A large segment of the population regularly takes vitamins.segmentseg‧ment2 /seɡˈment/ verb [transitive] to divide something into parts that are different from each other→ See Verb tableExamples from the Corpus
segment• The average Vadinamian looks like an over-sized larva, boneless and segmented.• A semantic constituent which can not be segmented into more elementary semantic constituents will be termed a minimal semantic constituent.• Consumer markets are usually segmented on the basis of geography, demography and buyer-behaviour.• Routers allow companies to departmentalize and segment their networks so that a problem on one segment does not bring down another department.• The tape, shot on February 25, will be shown in five-minute segments this week.• Doug prefers expensive Trojan silver fish, segmented to twist and swivel realistically.From Longman Business Dictionarysegmentseg‧ment1 /ˈsegmənt/ noun [countable]1ECONOMICS a part of the economy of a country or of a company’s workThe shipbuilding segment has reported higher earnings.Within the health care segment, pharmaceuticals sales increased 17%.segment ofCommodity funds are the fastest-growing segment of the retail futures business.2 (also market segment)MARKETING a group of customers that share similar characteristics, such as age, income, interests, and social classHow can a manufacturer target his products successfully on his chosen market segments?3 (also market segment)MARKETING the products or services in a particular part of the marketOur aim is to reach the market segment between conventional motor inns and budget motels.segmentseg‧ment2 /segˈment/ verb [transitive] MARKETING to divide a large group of people into smaller groups of people of a similar age or with similar incomes, interests etc, so that products that are most suitable for each group can be sold to itSocial class is a useful variable for segmenting consumer markets. —segmentation noun [uncountable]Product segmentation focuses on how consumers perceive and differentiate between available products.→ See Verb tableOrigin segment (1500-1600) Latin segmentum, from secare “to cut” 