English Reference

Word

segment

Phoneticsseg·ment

/ˈsɛɡmənt/

Definitions

01a physical part

B2

n. one of the parts that something naturally separates into, like a slice of fruit.

n. one of the constituent parts into which a body or object naturally separates or is divided.

“She peeled the orange and gave a small segment to her daughter.”

“The insect's body is divided into several distinct segments, each protected by a hard outer shell.”

Antonyms

02a group or section

B2

n. a part of a larger group of people or a market.

n. a specific portion of a population or market that shares common characteristics.

“The company is trying to reach a younger segment of the market.”

“The marketing strategy specifically targets the high-income segment of the population living in urban areas.”

Academic

03media/broadcast

B2

n. a short part of a TV or radio show about a specific topic.

n. a self-contained part of a broadcast programme devoted to a particular subject or interview.

“The news included a short segment about the local flower show.”

“The morning show featured a ten-minute segment on sustainable gardening before moving to the weather report.”

Synonyms

04travel/itinerary

C1 · Travel

n. one part of a long journey, like a single flight.

n. a portion of an itinerary, typically representing a single flight or train journey between two cities.

“The first segment of our trip is a three-hour flight to Paris.”

“The business traveller requested a change to the final segment of his multi-city itinerary due to a scheduling conflict.”

Technical

Synonyms

05geometry

C1 · Math

n. a part of a line or a circle cut off by a line.

n. a part of a line between two points, or a part of a circle cut off by a chord.

“The teacher asked the students to measure the length of the line segment.”

“The area of the circular segment can be calculated by subtracting the area of the triangle from the area of the sector.”

Technical

Synonyms

06to divide

B2

v. to divide something into smaller parts or groups.

v. to divide or partition a whole into separate sections or categories.

“The software allows you to segment your email list by location.”

“The researchers decided to segment the data by age group to see if there were significant differences in the results.”

Academic

Antonyms

Real-World Examples

“But for one large and growing segment of the workforce—workers over 55—that approach might not work.”
Phys.org · 16 Aug 2026
“A segment of the progressive left has a ready answer: Democrats abandoned working-class voters economically – on trade, wages and industrial policy.”
The Conversation · 7 Aug 2026
“LeCun has made waves with an opinion that some working in AI and LLMs see as contrarian, but he’s actually speaking for a sizable segment of the field.”
Ars Technica · 13 Jul 2026
“The screen revealed hundreds of viral RNA segments capable of enhancing gene expression.”
Phys.org · 14 Aug 2026

Etymology

From Latin segmentum (“a piece cut off, a strip, segment of the earth, a strip of tinsel”), from secāre (“to cut”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Collocations

specific segment

Word family

segmentNounsegmentationNoun

Domains

BotanyComputingMathematicsTravelZoology

This entry

Level
C1 · Advanced
Frequency
Common
Updated

Scan code

englishreference.com/q/segment

English Reference