English Explanatory Dictionary

group

English dictionary entry

Meanings

noun
  1. A number of things or persons being in some relation to one another.
  2. A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
  3. An effective divisor on a curve.
  4. A (usually small) group of people who perform music together.
  5. A small number (up to about fifty) of galaxies that are near each other.
  6. A column in the periodic table of chemical elements.
  7. A functional group.
  8. A subset of a culture or of a society.
  9. An air force formation.
  10. A collection of formations or rock strata.
  11. A number of users with the same rights with respect to accession, modification, and execution of files, computers and peripherals.
  12. An element of an espresso machine from which hot water pours into the portafilter.
verb
  1. To put together to form a group.
  2. To come together to form a group.
  3. To eliminate in the group stage of a competition.

Pronunciation

gro͞op /ɡɹuːp/ /ɡɹup/ en-us-group.ogg /ɡɹʉp/

Word forms

group groups groop groupe grouping grouped

Etymology

Etymology tree Proto-Indo-European *grewbʰ-der. Proto-Germanic *kruppazder. Frankish *kruppbor. Vulgar Latin *cruppus Italian gruppobor. French groupebor. ▲ Italian gruppobor. English group From French groupe (“cluster, group”), from Italian gruppo, groppo (“a knot, heap, group, bag (of money)”). 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.

Synonyms

group collection set band ensemble categorise categorize classify collect collect up gather gather together gather up begather foregather throng amass assemble

Antonyms

individual monad union unity

Derived words

abelian group ABO group action group activity group psychotherapy additive group advocacy group affine group age group airgroup algebraic fundamental group algebraic group allogroup alternating group automorphism group baby monster group battlegroup biogroup block group blood group boron group boundary group braid group Brauer group breakout group campaign group capturing group carbon group cell group chain group chatgroup chat group Chow group chromium group circle group codegroup cogroup community group commutative group concern group control group copper group Coxeter group Cremona group crown group cultigroup cybergroup cycle group cyclic group Dakota group degroup demogroup demo group derived group descent group dihedral group ecogroup e-group ethnic group Euclidean group Eurogroup

Translations

Czech: skupina Finnish: ryhmä German: Benutzergruppe Serbo-Croatian: гру̏па Serbo-Croatian: grȕpa Swahili: makundi Swedish: grupp
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