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GROUP

Pronunciation (US): 

 Dictionary entry overview: What does group mean? 

GROUP (noun)
  The noun GROUP has 3 senses:

1. any number of entities (members) considered as a unit
2. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
3. a set that is closed, associative, has an identity element and every element has an inverse

  Familiarity information: GROUP used as a noun is uncommon.


GROUP (verb)
  The verb GROUP has 2 senses:

1. arrange into a group or groups
2. form a group or group together

  Familiarity information: GROUP used as a verb is rare.


 Dictionary entry details 


GROUP (noun)


Sense 1group [BACK TO TOP]

Meaning:

Any number of entities (members) considered as a unit

Classified under:

Nouns with no superordinates

Synonyms:

group; grouping

Hypernyms ("group" is a kind of...):

abstraction (a general concept formed by extracting common features from specific examples)

Hyponyms (each of the following is a kind of "group"):

halogen (any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions)

subgroup (a distinct and often subordinate group within a group)

sainthood (saints collectively)

citizenry; people (the body of citizens of a state or country)

population (a group of organisms of the same species populating a given area)

hoi polloi; mass; masses; multitude; people; the great unwashed (the common people generally)

varna ((Hinduism) the name for the original social division of Vedic people into four groups (which are subdivided into thousands of jatis))

circuit ((law) a judicial division of a state or the United States (so-called because originally judges traveled and held court in different locations); one of the twelve groups of states in the United States that is covered by a particular circuit court of appeals)

scheme; system (a group of independent but interrelated elements comprising a unified whole)

series (a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection)

actinide; actinoid; actinon (any of a series of radioactive elements with atomic numbers 89 through 103)

lanthanide; lanthanoid; lanthanon; rare earth; rare-earth element (any element of the lanthanide series (atomic numbers 57 through 71))

association ((ecology) a group of organisms (plants and animals) that live together in a certain geographical region and constitute a community with a few dominant species)

race (people who are believed to belong to the same genetic stock)

human beings; human race; humanity; humankind; humans; man; mankind; world (all of the living human inhabitants of the earth)

arrangement (an orderly grouping (of things or persons) considered as a unit; the result of arranging)

straggle (a wandering or disorderly grouping (of things or persons))

kingdom (a basic group of natural objects)

biological group (a group of plants or animals)

biotic community; community ((ecology) a group of interdependent organisms inhabiting the same region and interacting with each other)

people ((plural) any group of human beings (men or women or children) collectively)

social group (people sharing some social relation)

accumulation; aggregation; assemblage; collection (several things grouped together or considered as a whole)

edition (all of the identical copies of something offered to the public at the same time)

electron shell (a grouping of electrons surrounding the nucleus of an atom)

ethnic group; ethnos (people of the same race or nationality who share a distinctive culture)


Sense 2group [BACK TO TOP]

Meaning:

(chemistry) two or more atoms bound together as a single unit and forming part of a molecule

Classified under:

Nouns denoting substances

Synonyms:

chemical group; radical; group

Hypernyms ("group" is a kind of...):

building block; unit (a single undivided natural thing occurring in the composition of something else)

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)

Hyponyms (each of the following is a kind of "group"):

chromophore (the chemical group that gives color to a molecule)

cyanide group; cyanide radical; cyano group; cyano radical (the monovalent group -CN in a chemical compound)

glyceryl (a trivalent radical derived from glycerol by removing the three hydroxyl radicals)

hydrazo group; hydrazo radical (the bivalent group -HNNH- derived from hydrazine)

hydroxyl; hydroxyl group; hydroxyl radical (the monovalent group -OH in such compounds as bases and some acids and alcohols)

ketone group (a group having the characteristic properties of ketones)

methylene; methylene group; methylene radical (the bivalent radical CH2 derived from methane)

propyl; propyl group; propyl radical (the monovalent organic group C3H7- obtained from propane)

butyl (a hydrocarbon radical (C4H9))

nitro group (the group -NO3)

nitrite (the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid))

uranyl; uranyl group; uranyl radical (the bivalent radical UO2 which forms salts with acids)

vinyl; vinyl group; vinyl radical (a univalent chemical radical derived from ethylene)

carboxyl; carboxyl group (the univalent radical -COOH; present in and characteristic of organic acids)

carbonyl group (the bivalent radical CO)

acyl; acyl group (any group or radical of the form RCO- where R is an organic group)

alcohol group; alcohol radical (the chemical group -OH)

aldehyde group; aldehyde radical (the chemical group -CHO)

alkyl; alkyl group; alkyl radical (any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons)

allyl; allyl group; allyl radical (the univalent unsaturated organic radical C3H5; derived from propylene)

amino; amino group (the radical -NH2)

amyl (a hydrocarbon radical that occurs in many organic compounds)

azido group; azido radical (the univalent group N3- derived from hydrazoic acid)

azo group; azo radical (the bivalent group -N=N- united to two hydrocarbon groups)

benzyl; benzyl group; benzyl radical (the univalent radical derived from toluene)

benzoyl group; benzoyl radical (the univalent radical derived from benzoic acid)

arsenic group; cacodyl; cacodyl group; cacodyl radical (the univalent group derived from arsine)

Holonyms ("group" is a part of...):

molecule ((physics and chemistry) the simplest structural unit of an element or compound)


Sense 3group [BACK TO TOP]

Meaning:

A set that is closed, associative, has an identity element and every element has an inverse

Classified under:

Nouns denoting cognitive processes and contents

Synonyms:

mathematical group; group

Hypernyms ("group" is a kind of...):

set ((mathematics) an abstract collection of numbers or symbols)

Hyponyms (each of the following is a kind of "group"):

Abelian group; commutative group (a group that satisfies the commutative law)

subgroup ((mathematics) a subset (that is not empty) of a mathematical group)


GROUP (verb)


Sense 1group [BACK TO TOP]

Meaning:

Arrange into a group or groups

Classified under:

Verbs of thinking, judging, analyzing, doubting

Context example:

Can you group these shapes together?

Hypernyms (to "group" is one way to...):

assort; class; classify; separate; sort; sort out (arrange or order by classes or categories)

Troponyms (each of the following is one way to "group"):

batch (batch together; assemble or process as a batch)

chunk; collocate; lump (group or chunk together in a certain order or place side by side)

bracket (classify or group)

regroup (reorganize into new groups)

Sentence frames:

Somebody ----s something
Somebody ----s somebody


Sense 2group [BACK TO TOP]

Meaning:

Form a group or group together

Classified under:

Verbs of fighting, athletic activities

Synonyms:

aggroup; group

Hypernyms (to "group" is one way to...):

assemble; foregather; forgather; gather; meet (collect in one place)

Troponyms (each of the following is one way to "group"):

team; team up (form a team)

embed (attach to, as a journalist to a military unit when reporting on a war)

gang; gang up (act as an organized group)

pool (join or form a pool of people)

brigade (form or unite into a brigade)

Sentence frame:

Somebody ----s something

Sentence example:

The crowds group in the streets


 Learn English with... Proverbs of the week 
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 GROUP: related words searches 

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