Noun

(wikipedia algebra)

(uncountable, medicine, historical, rare) The surgical treatment of a dislocated or fractured bone. Also (countable): a dislocation or fracture.

* {{quote-book, year= a1420

, year_published= 1894 , author= The British Museum Additional MS, 12,056 , by= (Lanfranc of Milan) , title= Lanfranc's "Science of cirurgie." , url= http://books.google.com/books?id=6XktAAAAYAAJ&pg=PA63 , original= , chapter= Wounds complicated by the Dislocation of a Bone , section= , isbn= 1163911380 , edition= , publisher= K. Paul, Trench, Trübner & Co , location= London , editor= Robert von Fleischhacker , volume= , page= 63 , passage= Ne take noon hede to brynge togidere þe parties of þe boon þat is to-broken or dislocate, til viij. daies ben goon in þe wyntir, & v. in þe somer; for þanne it schal make quytture, and be sikir from swellynge; & þanne brynge togidere þe brynkis eiþer þe disiuncture after þe techynge þat schal be seid in þe chapitle of algebra . }}

* {{quote-book, year= 1987

, year_published= , author= (John Newsome Crossley) , by= , title= The emergence of number , url= http://books.google.com/books?id=rc6atSk1d4IC&pg=PA65 , original= , chapter= Latency , section= Al-Khwarizwi , isbn= 9971504146 , edition= , publisher= World Scientific , location= Singapore , editor= , volume= , page= 65 , passage= Algebra'' is used today by surgeons to mean ''bone-setting , i.e. the restoration of bones, and the idea of restoration is present in the mathematical context, too. }}

(uncountable, mathematics) A system for computation using letters or other symbols to represent numbers, with rules for manipulating these symbols.

* {{quote-book, year= 1551

, year_published= 1888 , author= , by= , title= A New English Dictionary on Historical Principles: Founded Mainly on the Materials Collected by the Philological Society. , url= http://books.google.com/books?id=JmpXAAAAYAAJ&pg=PA217 , original= , chapter= , section= Part 1 , isbn= , edition= , publisher= Clarendon Press , location= Oxford , editor= , volume= 1 , page= 217 , passage= Also the rule of false position, with dyuers examples not onely vulgar, but some appertaynyng to the rule of Algeber . }}

(uncountable, mathematics) The study of algebraic structures.

(countable, mathematics) A universal algebra.

(countable, algebra) An algebraic structure consisting of a module of a commutative ring along with an additional binary operation that is bilinear.

* {{quote-book, year= 1854

, year_published= , author= (George Boole) , by= , title= , url= http://books.google.com/books?id=YNAtAAAAYAAJ&pg=PA37 , original= , chapter= Signs and their Laws , section= , isbn= , edition= , publisher= Walton and Maberly , location= London , editor= , volume= , page= 37 , passage= Let us conceive, then, of an Algebra in which the symbols x'', ''y'', ''z , &c. admit indifferently of the values 0 and 1, and of these values alone. }}

(countable, set theory, analysis) A collection of subsets of a given set, such that this collection contains the empty set, and the collection is closed under unions and complements (and thereby also under intersections and differences).

(countable, mathematics) One of several other types of mathematical structure.

(figurative) A system or process, that is like algebra by substituting one thing for another, or in using signs, symbols, etc., to represent concepts or ideas.

* {{quote-book, year= 1663

, year_published= 1871 , author= William Clark , by= , title= Marciano; or, The discovery: A tragi-comedy , url= http://books.google.com/books?id=I18JAAAAQAAJ&pg=PA13 , original= , chapter= , section= , isbn= 1446062937 , edition= , publisher= Reprinted for Private Circulation , location= Edinburgh , editor= William Hugh Logan , volume= , page= 13 , passage= Fly ! Fly ! avaunt with that base cowardly gibbrish ; That Algebra of honour ; which had never Been nam'd, if all had equal courage—what? }}

Noun

(en noun)

A character or glyph representing an idea, concept or object.

$ is the symbol for dollars in the US and some other countries.

'

' is the octothorpe symbol .

''Chinese people use word symbols for writing.

The lion is the symbol''' of courage; the lamb is the '''symbol of meekness or patience.

Any object, typically material, which is meant to represent another (usually abstract) even if there is no meaningful relationship.

The dollar symbol has no relationship to the concept of currency or any related idea.

(linguistics) A type of noun whereby the form refers to the same entity independently of the context; a symbol arbitrarily denotes a referent. See also icon and index.

A summary of a dogmatic statement of faith.

The Apostles, Nicene Creed and the confessional books of Protestantism, such as the Augsburg Confession of Lutheranism are considered symbols .

Visible traces or impressions, made using a writing device or tool, that are connected together and/or are slightly separated. Sometimes symbols represent objects or events that occupy space or things that are not physical and do not occupy space.

(crystallography) The numerical expression which defines a plane's position relative to the assumed axes.

That which is thrown into a common fund; hence, an appointed or accustomed duty.

* Jeremy Taylor

They do their work in the days of peace and come to pay their symbol in a war or in a plague.

Share; allotment.

* Jeremy Taylor

The persons who are to be judged shall all appear to receive their symbol .