division

noun

di·​vi·​sion də-ˈvi-zhən 

1

a

: the act or process of dividing : the state of being divided

b

: the act, process, or an instance of distributing among a number : distribution

2

: one of the parts or groupings into which a whole is divided or is divisible

3

: the condition or an instance of being divided in opinion or interest : disagreement, disunity

exploited the divisions between the two countries

4

a

: something that divides, separates, or marks off

b

: the act, process, or an instance of separating or keeping apart : separation

5

: the mathematical operation of dividing something

6

a

: a self-contained major military unit capable of independent action

b

: a tactical military unit composed of headquarters and usually three to five brigades

c(1)

: the basic naval administrative unit

(2)

: a tactical subdivision of a squadron of ships

d

: a unit of the U.S. Air Force higher than a wing and lower than an air force

7

a

: a portion of a territorial unit marked off for a particular purpose (such as administrative or judicial functions)

b

: an administrative or operating unit of a governmental, business, or educational organization

8

: the physical separation into different lobbies of the members of a parliamentary body voting for and against a question

9

: plant propagation by dividing parts and planting segments capable of producing roots and shoots

10

: a group of organisms forming part of a larger group

specifically : a primary category of the plant kingdom in biological taxonomy that is typically equivalent to a phylum

11

: a competitive class or category (as in boxing or wrestling)

divisional

də-ˈvizh-nəl 

-ˈvi-zhə-nᵊl

adjective

Synonyms

• divider
• fence
• wall
• partition
• separation

Choose the Right Synonym for division

part, portion, piece, member, division, section, segment, fragment mean something less than the whole.

part is a general term appropriate when indefiniteness is required.

they ran only part of the way

portion implies an assigned or allotted part.

cut the pie into six portions

piece applies to a separate or detached part of a whole.

a puzzle with 500 pieces

member suggests one of the functional units composing a body.

a structural member

division applies to a large or diversified part.

the manufacturing division of the company

section applies to a relatively small or uniform part.

the entertainment section of the newspaper

segment applies to a part separated or marked out by or as if by natural lines of cleavage.

the retired segment of the population

fragment applies to a part produced by or as if by breaking off.

only a fragment of the play still exists

Examples of division in a Sentence

the process of cell division

a division of profits into equal shares

After learning multiplication, the students were taught division.

Recent Examples on the Web

While there was little difference by political party, there was some division by race and age. —Domenico Montanaro, NPR, 1 July 2025

Law & Order Toronto: Criminal Intent is produced by Lark Productions and Cameron Pictures Inc. in association with Universal International Studios, a division of Universal Studio Group, and Citytv, a subsidiary of Rogers Sports & Media. —Denise Petski, Deadline, 1 July 2025

Thomas King, president of the data and analytics division at J.D. Power, pointed out that sales results for June 2025 vs. June 2024 are distorted by the fact that there was a major cyberattack last year that temporarily shut down thousands of dealerships. —Jim Henry, Forbes.com, 30 June 2025

Connecticut Environmental Conservation Police and staff from the agency’s wildlife division said the location of the bear is still unknown, but bird feeders were in use on the property. —Stephen Underwood, Hartford Courant, 30 June 2025

Word History

Etymology

Middle English, from Anglo-French devision, from Latin division-, divisio, from dividere to divide

First Known Use

14th century, in the meaning defined at sense 1a

Phrases Containing division

• cell division
• division of labor
• division sign
• long division
• panzer division
• reduction division
• short division
• synthetic division

Rhymes for division

• abscission
• collision
• decision
• derision
• elision
• envision
• excision
• incision
• misprision
• precision
• prevision
• provision

Kids Definition

division

noun

di·​vi·​sion də-ˈvizh-ən 

1

a

: the act or process of dividing : the state of being divided

b

: distribution sense 1

c

: cell division

2

: a part or portion of a whole

3

: something that divides, separates, or marks off

4

: a large military unit

5

: a large unit of a governmental, business, or educational organization

6

: difference in opinion or interest : disagreement

7

: the mathematical operation of dividing something

8

: a category in most classifications of the plant kingdom that is equal to a phylum

divisional

-ˈvizh-(ə-)nəl 

adjective

Medical Definition

division

noun

di·​vi·​sion də-ˈvizh-ən 

1

: the act or process of dividing : the state of being divided see cell division

2

: a group of organisms forming part of a larger group

specifically : a primary category of the plant kingdom that is typically equivalent to a phylum

divisional

-ˈvizh-nəl, -ˈvizh-ən-ᵊl 

adjective