Group
WordNet
noun
(1) Any number of entities (members) considered as a unit
(2) A set that is closed, associative, has an identity element and every element has an inverse
(3) (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
verb
(4) Arrange into a group or groups
"Can you group these shapes together?"
(5) Form a group or group together
WiktionaryText
Etymology
From groupe "cluster, group" from gruppo "knot, group", of origin, from . Akin to cropp "craw, top, bunch", krop "craw", Kropf "crop, craw, bunch", kroppr "hump, bunch"
Noun
- A number of things or persons being in some relation to one another.
- There is a group of houses behind the hill.
- A group of people gathered in front of the Parliament to demonstrate against the Prime Minister's proposals.
- He left town to join a Communist group
- A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
- A (usually small) group of people who perform music together.
- Did you see the new jazz group?
- A small number (up to about fifty) of galaxies that are near each other.
- A column in the periodic table of chemical elements.
- A functional entity consisting of certain atoms whose presence provides a certain property to a molecule, such as the methyl group.
- A subset of a culture or of a society.
- An air force formation.
- A collection of formations or rock strata.
- In the Unix operating system, a number of users with same rights with respect to accession, modification, and execution of files, computers and peripherals.
- An element of an espresso machine from which hot water pours into the portafilter.
Synonyms
- (number of things or persons being in some relation to each other): collection, set
- (people who perform music together): band, ensemble
- See also Wikisaurus:group