Noun

(en noun)

A number of things or persons being in some relation to one another.

* , chapter=5

, title= The Mirror and the Lamp , passage=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.}}

* {{quote-magazine, date=2013-07-19, author=(Peter Wilby)

, volume=189, issue=6, page=30, magazine=(The Guardian Weekly) , title= Finland spreads word on schools , passage=Imagine a country where children do nothing but play until they start compulsory schooling at age seven. Then, without exception, they attend comprehensives until the age of 16. Charging school fees is illegal, and so is sorting pupils into ability groups by streaming or setting.}}

(group theory) A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.

(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 entity consisting of certain atoms whose presence provides a certain property to a molecule, such as the methyl 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 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 at the same time not playing teams that belong to other sets in the division.

*

Noun

(en noun)

An abstract sphere of influence, real or imagined.

* 1907 , Tada Kanai, translated by Arthur Lloyd, Seven Buddhist Sermons , ""

Why should we despise anything in the realm of Buddha?

* 2006 , Christian Neef, " Diary of a Collapsing Superpower", Spiegel Magazine , November 22,

At home in Moscow, Mikhail Sergeyevitch Gorbachev, who had launched a campaign to rejuvenate the Soviet realm  

* {{quote-magazine, date=2013-05-17

, author=George Monbiot, authorlink=George Monbiot , title=Money just makes the rich suffer , volume=188, issue=23, page=19 , magazine=(The Guardian Weekly) citation , passage=In order to grant the rich these pleasures, the social contract is reconfigured. […]  The public realm is privatised, the regulations restraining the ultra-wealthy and the companies they control are abandoned, and Edwardian levels of inequality are almost fetishised.}}

The domain of a certain abstraction.

* 1922 , Judson Eber Conant,The Church The Schools and Evolution , "",

One thing more which the scientific man does is to accord primacy to that realm of truth which is primary in importance.

(formal, or, legal) A territory or state, as ruled by a specific power, and particularly those territories ruled by a king.

* 1874 , ,

And, of this island realm , he and his companion were the undisputed sovereigns.

* 1913 , Leslie Alexander Toke, Catholic Encyclopedia , "",

Then seeing his life was threatened he fled the realm and crossed over to Flanders,