English Online Dictionary. What means group? What does group mean?
English
Alternative forms
- groop (nonstandard)
- groupe (obsolete)
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 sense of group theory coined (in French, as groupe) by Évariste Galois.
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.
Pronunciation
- enPR: gro͞op, IPA(key): /ɡɹuːp/
- Rhymes: -uːp
Noun
group (plural groups)
- (group theory) A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
- 2007, Zhong-Qi Ma, Group Theory for Physicists, World Scientific, page 277,
- In Chap. 4 the fundamental concepts on Lie groups have been introduced through the SO(3) group and its covering group SU(2).
- (geometry, archaic) An effective divisor on a curve.
- A (usually small) group of people who perform music together.
- (astronomy) A small number (up to about fifty) of galaxies that are near each other.
- (chemistry) A column in the periodic table of chemical elements.
- (chemistry) A functional group.
- (sociology) A subset of a culture or of a society.
- (military) An air force formation.
- (geology) A collection of formations or rock strata.
- (computing) A number of users with the 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.
- (music) 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.
- (sports) 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.
- (business) A commercial organization.
Synonyms
- (number of things or persons being in some relation to each other): collection, set
- (people who perform music together): band, ensemble
- See also Thesaurus:group
Hypernyms
- (in group theory): monoid
Hyponyms
Derived terms
Descendants
Translations
References
- group on Wikipedia.Wikipedia
Verb
group (third-person singular simple present groups, present participle grouping, simple past and past participle grouped)
- (transitive) To put together to form a group.
- (intransitive) To come together to form a group.
Synonyms
- (put together to form a group): amass, categorise/categorize, classify, collect, collect up, gather, gather together, gather up; see also Thesaurus:round up
- (come together to form a group): assemble, begather, foregather, throng; see also Thesaurus:assemble
Derived terms
- groupable
Translations
Further reading
- “group”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “group”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
Chinese
Etymology
From English group. Doublet of 谷.
Pronunciation
Noun
group (Hong Kong Cantonese)
- group of people or objects (Classifier: 個／个 c)
- (social media) group
Classifier
group (Hong Kong Cantonese)
- Classifier for groups of people or objects..