Noun

(en noun)

A group or bunch of several discrete items that are close to each other.

a cluster of islands

* Spenser

Her deeds were like great clusters of ripe grapes, / Which load the bunches of the fruitful vine.

*{{quote-book, year=1907, author=

, chapter=7, title= The Dust of Conflict , passage=Then there was no more cover, for they straggled out, not in ranks but clusters , from among orange trees and tall, flowering shrubs

*{{quote-news, year=2011, date=December 29, author=Keith Jackson, work=Daily Record

, title= SPL: Celtic 1 Rangers 0 , passage=Charlie Mulgrew’s delicious deadball delivery was attacked by a cluster of green and white shirts at McGregor’s back post but Ledley got up higher and with more purpose than anyone else to thump a header home from five yards.}}

*{{quote-magazine, year=2013, month=May-June, author= William E. Conner

, title= An Acoustic Arms Race , volume=101, issue=3, page=206-7, magazine=(American Scientist) , passage=Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.}}

A number of individuals grouped together or collected in one place; a crowd; a mob.

* Milton

As bees / Pour forth their populous youth about the hive / In clusters .

* Shakespeare

We loved him; but, like beasts / And cowardly nobles, gave way unto your clusters , / Who did hoot him out o' the city.

(astronomy) A group of galaxies or stars that appear near each other.

(music) A secundal chord of three or more notes.

(phonetics) A group of consonants.

(computing) A group of computers that work together.

(computing) A logical data storage unit containing one or more physical sectors (see block).

(statistics) A significant subset within a population.

(military) Set of bombs or mines.

(army) A small metal design that indicates that a medal has been awarded to the same person before.

An ensemble of bound atoms or molecules, intermediate in size between a molecule and a bulk solid.

Noun

(quantities)

A fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items.

You have to choose between quantity and quality.

An indefinite amount of something.

Some soap making oils are best as base oils, used in a larger quantity''' in the soap, while other oils are best added in a small '''quantity .

Olive oil can be used practically in any quantity .

A specific measured amount.

This bag would normally costs $497.50 for a quantity of 250, at a price of $1.99 per piece.

Generally it should not be used in a quantity larger than 15 percent.

A considerable measure or amount.

The Boeing P-26A was the first all-metal monoplane fighter produced in quantity for the U.S. Army Air Corps.

(metrology) Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference.

(mathematics) Indicates that the entire preceding expression is henceforth considered a single object.

x plus ''y'' quantity squared equals ''x'' squared plus ''2xy'' plus ''y'' squared .

* 2006 , Jerome E. Kaufmann and Karen Schwitters, Elementary and Intermediate Algebra: A Combined Approach , p 89

For problems 58-67, translate each word phrase into an algebraic expression.

(...)

65. x plus 9, the quantity squared

* 2005 , R. Mark Sirkin, Statistics For The Social Sciences , p137

The second, $(\backslash sum\; x)^2$, read "summation of x, quantity squared," tells us to first add up all the xs to get $\backslash sum\; x$ and then square $\backslash sum\; x$ to get $(\backslash sum\; x)^2$.

* 1985 , Serge Lang, Math!: Encounters with High School Students , p54

ANN. $ra$ quantity cubed.

SERGE LANG. That's right, $(ra)^3$.