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Group
Definitions
- 1 A number of things or persons being in some relation to one another.
"Then everybody once more knelt, and soon the blessing was pronounced. The choir and the clergy trooped out slowly, […], down the nave to the western door. […] At a seemingly immense distance the surpliced group stopped to say the last prayer."
- 2 any number of entities (members) considered as a unit wordnet
- 3 A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
"Throughout this section, we shall assume the existence of finitely presented groups with unsolvable word problem."
- 4 a set that is closed, associative, has an identity element and every element has an inverse wordnet
- 5 An effective divisor on a curve. archaic
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- 6 (chemistry) two or more atoms bound together as a single unit and forming part of a molecule wordnet
- 7 A (usually small) group of people who perform music together.
"Did you see the new jazz group?"
- 8 A small number (up to about fifty) of galaxies that are near each other.
- 9 A column in the periodic table of chemical elements.
- 10 A functional group.
"Nitro is an electron-withdrawing group."
- 11 A subset of a culture or of a society.
- 12 An air force formation.
- 13 A collection of formations or rock strata.
- 14 A number of users with the same rights with respect to accession, modification, and execution of files, computers and peripherals.
- 15 An element of an espresso machine from which hot water pours into the portafilter.
- 16 A number of eighth, sixteenth, etc., notes joined at the stems; sometimes rather indefinitely applied to any ornament made up of a few short notes.
- 17 A set of teams playing each other in the same division, while not during the same period playing any teams that belong to other sets in the division.
"It is the third of eight matches that Spain will play in Group I, but the coach Vicente del Bosque has described it as being more akin to the first leg of a cup semi-final."
- 18 A commercial organization.
- 1 To put together to form a group. transitive
"group the dogs by hair colour"
- 2 arrange into a group or groups wordnet
- 3 To come together to form a group. intransitive
"For many people forming pods last year, finding compatible people to group with was not a cost but a goal."
- 4 form a group or group together wordnet
Etymology
From French groupe (“cluster, group”), from Italian gruppo, groppo (“a knot, heap, group, bag (of money)”), from Vulgar Latin *cruppo, Renaissance Latin grupus, from Frankish *krupp, from Proto-Germanic *kruppaz (“lump, round mass, body, crop”), from Proto-Indo-European *grewb- (“to crumple, bend, crawl”). In the “group theory” sense, calqued from French groupe, a term coined by the young French mathematician Évariste Galois in 1830. Cognate with German Kropf (“crop, craw, bunch”); Old English cropp, croppa (“cluster, bunch, sprout, flower, berry, ear of corn, crop”) (whence English crop); Dutch krop (“craw”), Icelandic kroppr (“hump, bunch”). Doublet of crop and croup.
From French groupe (“cluster, group”), from Italian gruppo, groppo (“a knot, heap, group, bag (of money)”), from Vulgar Latin *cruppo, Renaissance Latin grupus, from Frankish *krupp, from Proto-Germanic *kruppaz (“lump, round mass, body, crop”), from Proto-Indo-European *grewb- (“to crumple, bend, crawl”). In the “group theory” sense, calqued from French groupe, a term coined by the young French mathematician Évariste Galois in 1830. Cognate with German Kropf (“crop, craw, bunch”); Old English cropp, croppa (“cluster, bunch, sprout, flower, berry, ear of corn, crop”) (whence English crop); Dutch krop (“craw”), Icelandic kroppr (“hump, bunch”). Doublet of crop and croup.
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