group
3
8.6
- noun
- /ɡruːp/
- Specialized
- When studying transformations, it's essential to determine whether the set behaves like a group under the defined operation.
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Watch on YouTubeThose are the designations of these Lie groups.
- Those are the designations of these Lie groups.
- We can say things like, let's define a group out of sets as blah blah blah.
Examples
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One, find all the simple groups, and two, find all of the ways to combine them.
-
There were two groups, an experimental group (N=28) and a control group (N=29).
Academic text (2008) -
We work in separate groups.
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I'm gonna split you up into groups of four.
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In some studies, the tables are turned, and the experimental groups receive less than the control groups.
Academic text (2008) -
He was part of the control group.
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Results indicated those in the experimental group learned to read more efficiently than those in the control group.
Academic text (2015) -
As they got closer to it, a big group of green-and-red birds flew overhead.
Fiction book (1999) -
We took the elevators down to the basement, where the physics group had its offices and laboratories.
Fiction book (2000) -
Asians and Pacific Islanders will continue to be the fastest growing ethnic groups in the United States.
Academic text (1999)
Synonyms
1
9.9
A collection of items with a rule to combine them, a do-nothing element, and opposites
Idioms
Compounds
81
2.8
A group of people who meet regularly to give each other help and advice about a shared problem
- NSFW
72
4.9
A group that uses violence and fear against civilians to reach political goals
61
2.2
People of about the same age that researchers study together for social or statistical reasons
41
3.9
A group that tries to persuade people in power to change laws or rules for a cause
38
2.8
A group of people who meet regularly to learn and talk about school or course material
- Specialized
23
3.4
A small group that meets with a therapist to talk about personal problems
21
3.9
A group that tries to influence government decisions often by talking to politicians
- Offensive
14
8.7
An armed organization from Egypt that uses violence for political and religious aims
12
3.5
A small group of people who are most important in a larger organization or activity
8
4.1
A group that tries to change government decisions to help a cause or its members
7
2.0
A conversation among several people about one topic to share ideas or make a decision
5
6.5
A group of people who follow strict religious rules and reject modern ideas
- Specialized
4
3.1
A company plan that helps employees pay medical or accident costs, usually cheaper than individual plans
- Specialized
3
3.2
A set of blood types people inherit from their parents that shows which blood they can receive
- Jargon
3
3.5
A small group inside an organization that works on a specific topic or project, not for politics
- Jargon
2
5.4
A unit of the United States Air Force larger than a squadron and smaller than a wing
2
7.7
A senior officer in the Royal Air Force with the same rank as an army colonel
1
3.7
A group of people who try to influence government decisions about one issue
- Specialized
1
8.3
A group meeting where people honestly talk about their feelings to understand themselves and each other
1
9.9
An armed group from Libya linked to al-Qaeda that uses violence to oppose Qaddafi
- NSFW
1
9.9
A former Algerian Islamist militant group that carried out terrorist attacks to try to overthrow the government
1
9.9
An armed group from Libya formed in 1995 that was against the government and joined al-Qaeda
- NSFW
1
9.3
A group of Islamic extremists in Algeria that uses violent attacks to try to make an Islamic state
- Specialized
1
5.3
A small group of atoms in a molecule with one carbon and three hydrogen atoms
- Specialized
1
7.0
A set of living things that are put together because they are related, for example lions and tigers
- Specialized
1
6.5
A part of a molecule with one oxygen and one hydrogen atom found in alcohols
- Specialized
1
4.7
A group of troops from different countries ready to move quickly to a crisis
- Specialized
1
4.9
A group of atoms with one carbon, two oxygens and one hydrogen that makes a molecule acidic
- Archaic
1
8.1
A small band that plays folk and blues songs with guitars and homemade instruments
- Specialized
1
7.2
A group of genes on the same chromosome that parents often pass together to their children
1
5.1
A group of people who meet to talk about their feelings with a trained therapist
- Specialized
1
5.2
A therapy where a small group meets with a therapist to talk about problems
- Specialized
1
3.5
A small group of atoms joined together that is part of a larger molecule and gives it certain properties
- Literature
1
8.8
A group of English writers, thinkers, and artists from the early 1900s with new social and artistic ideas
1
9.9
An Algerian extremist Islamist group that split from another militant group and tried to overthrow the government while supporting al-Qaeda
- Specialized
1
4.4
A group of atoms with a nitrogen atom and two hydrogen atoms that joins other molecules
- Specialized
1
6.3
A part of a molecule where carbon joins oxygen by a double bond, found in aldehydes and ketones
- Specialized
1
3.7
A system that divides blood into A, B, AB, and O by A and B proteins on red blood cells
- Specialized
1
6.5
A part of a molecule made of carbon and hydrogen atoms with one hydrogen removed
- Specialized
1
3.4
A group of plants or animals put together because they share traits
- NSFW
1
9.1
A Libyan armed group formed in 1995 that opposed the government and was linked to al-Qaeda
Surface Forms
Etymology
Group in mathematics keeps the same 'bunch' idea from the old root kruppa: it is a set of elements 'gathered' so they follow the same rules. That is why a mathematical group is treated as one organized unit.