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category
cat·e·go·ry C0160500 (kăt′ĭ-gôr′ē)n. pl. cat·e·go·ries 1. A specifically defined division in a system of classification; a class.2. A general class of ideas, terms, or things that mark divisions or coordinations within a conceptual scheme, especially:a. Aristotle's modes of objective being, such as quality, quantity, or relation, that are inherent in all things.b. Kant's modes of subjective understanding, such as singularity, universality, or particularity, that organize perceptions into knowledge.c. A basic logical type of philosophical conception in post-Kantian philosophy.3. Linguistics a. A property or structural unit of a language, such as a part of speech or a type of phrase.b. A specific grammatical defining property of a linguistic unit or class, such as number or gender in the noun and tense or voice in the verb.4. Mathematics A class of objects, together with a class of morphisms between those objects, and an associative composition rule for those morphisms. Categories are used to study a wide variety of mathematical constructions in a similar way.
[French catégorie, from Old French, from Late Latin catēgoria, class of predicables, from Greek katēgoriā, accusation, charge, from katēgorein, to accuse, predicate : kat-, kata-, down, against; see cata- + agoreuein, ēgor-, to speak in public (from agorā, marketplace, assembly; see ger- in Indo-European roots).]category (ˈkætɪɡərɪ) n, pl -ries1. a class or group of things, people, etc, possessing some quality or qualities in common; a division in a system of classification2. (Philosophy) metaphysics any one of the most basic classes into which objects and concepts can be analysed3. (Philosophy) a. (in the philosophy of Aristotle) any one of ten most fundamental modes of being, such as quantity, quality, and substanceb. (in the philosophy of Kant) one of twelve concepts required by human beings to interpret the empirical worldc. any set of objects, concepts, or expressions distinguished from others within some logical or linguistic theory by the intelligibility of a specific set of statements concerning them. See also category mistake[C15: from Late Latin catēgoria, from Greek katēgoria, from kategorein to accuse, assert]cat•e•go•ry (ˈkæt ɪˌgɔr i, -ˌgoʊr i)
n., pl. -ries. 1. any division in a system of classification; class; group. 2. any of the classes, concepts, or terms that are basic in a field of knowledge. [1580–90; < Late Latin catēgoria < Greek katēgoría accusation, predication, category (kat- cat- + -ēgorein to speak < agorá public assembly; see agora1)] Thesaurus| Noun | 1. |  category - a collection of things sharing a common attribute; "there are two classes of detergents"class, familygrammatical category, syntactic category - (grammar) a category of words having the same grammatical propertiessubstitution class, paradigm - the class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one another)aggregation, collection, accumulation, assemblage - several things grouped together or considered as a wholebrass family - (music) the family of brass instrumentsviolin family - (music) the family of bowed stringed instrumentswoodwind family - (music) the family of woodwind instrumentsstamp - a type or class; "more men of his stamp are needed"sex - either of the two categories (male or female) into which most organisms are divided; "the war between the sexes"declension - a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms; "the first declension in Latin"conjugation - a class of verbs having the same inflectional formsdenomination - a class of one kind of unit in a system of numbers or measures or weights or money; "he flashed a fistful of bills of large denominations"histocompatibility complex - a family of fifty or more genes on the sixth human chromosome that code for proteins on the surfaces of cells and that play a role in the immune responsesuperphylum - (biology) a taxonomic group ranking between a phylum and below a class or subclass | | 2. | category - a general concept that marks divisions or coordinations in a conceptual schemeconcept, conception, construct - an abstract or general idea inferred or derived from specific instanceskind, sort, form, variety - a category of things distinguished by some common characteristic or quality; "sculpture is a form of art"; "what kinds of desserts are there?"pigeonhole - a specific (often simplistic) categoryrubric - category name; "it is usually discussed under the rubric of `functional obesity'"way - a general category of things; used in the expression `in the way of'; "they didn't have much in the way of clothing" |
categorynoun class, grouping, heading, head, order, sort, list, department, type, division, section, rank, grade, classification The entries were organised into six different catagories.categorynounA subdivision of a larger group:class, classification, order, set.Translationscategory (ˈkӕtəgəri) – plural ˈcategories – noun a class or division of things (or people). various categories of goods on sale. 種類，類別 种类，类别 ˈcategorize, ˈcategorise verb to put (things or people) into a category. 分類 分类category
category, philosophical term that literally means predication or assertion. It was first used by Aristotle, whose 10 categories formed a list of all the ways in which assertions can be made of a subject. Immanuel Kant's 12 categories constitute an exhaustive list of the a priori forms through which a person knows the phenomenal world. The term has also been used in many other senses by various philosophers.
category, in taxonomy: see classificationclassification,
in biology, the systematic categorization of organisms into a coherent scheme. The original purpose of biological classification, or systematics, was to organize the vast number of known plants and animals into categories that could be named, remembered, and
..... Click the link for more information. .CategoryA component of the LEED Green Building Rating System. Each LEED (Leadership in Energy and Environmental Design) prerequisite and credit falls within one of six categories (five Sustainable categories and one Innovation and Design Process category).category - a conceptual class or set.
- (PHILOSOPHY) a fundamental class or kind (e.g. ARISTOTLE's 10 classes of all modes ofbeing).
- pl. KANT's a priori modes of understanding (e.g. ‘causality’, 'S ubstance’) which he believed shaped all our perceptions of the world.
Category in linguistics, linguistic meanings that are correlated and interrelated on the basis of a common semantic feature and represent a closed system of subdivisions of this feature. Examples are the category of person in the Russian language (encompassing three meanings, based on the feature of participation in the act of speech), the category of gender in Russian adjectives, and the lexical category of color designation. Categories are distinguished according to the nature of their semantics (denotative, semantic-syntactical), the degree of their obligatory use in a given language (grammatical, nongrammati-cal), and the means of expression (morphological, lexical, syntactical). Categories that are semantically close may be obligatory in some languages and optional in others. Thus, the category of locative relationships among nouns is expressed in the Lak language by a category comprising a series of locative cases (k“atluin, “to the house”; k“atluinmai, “in the direction of the house”; k“atluikh, “above the house and past it”), whereas in Russian the corresponding meanings are expressed by separate lexical units. The grammatical (obligatory) categories in a language form rigid hierarchical systems. For example, categories expressed by the noun in Hungarian include number, possession, the person and number of the possessor, the relative, the number of the relative, and case. B. IU. GORODETSKII category[′kad·ə‚gȯr·ē] (mathematics) A class of objects together with a set of morphisms for each pair of objects and a law of composition for morphisms; sets and functions form an important category, as do groups and homomorphisms. (systematics) In a hierarchical classification system, the level at which a particular group is ranked. category1. Metaphysics any one of the most basic classes into which objects and concepts can be analysed 2. a. (in the philosophy of Aristotle) any one of ten most fundamental modes of being, such as quantity, quality, and substance b. (in the philosophy of Kant) one of twelve concepts required by human beings to interpret the empirical world c. any set of objects, concepts, or expressions distinguished from others within some logical or linguistic theory by the intelligibility of a specific set of statements concerning them category (theory)A category K is a collection of objects, obj(K), anda collection of morphisms (or "arrows"), mor(K) such that
1. Each morphism f has a "typing" on a pair of objects A, Bwritten f:A->B. This is read 'f is a morphism from A to B'.A is the "source" or "domain" of f and B is its "target" or"co-domain".
2. There is a partial function on morphisms calledcomposition and denoted by an infix ring symbol, o. Wemay form the "composite" g o f : A -> C if we have g:B->C andf:A->B.
3. This composition is associative: h o (g o f) = (h o g) o f.
4. Each object A has an identity morphism id_A:A->A associatedwith it. This is the identity under composition, shown by theequations
id__B o f = f = f o id__A.
In general, the morphisms between two objects need not form aset (to avoid problems with Russell's paradox). Anexample of a category is the collection of sets where theobjects are sets and the morphisms are functions.
Sometimes the composition ring is omitted. The use ofcapitals for objects and lower case letters for morphisms iswidespread but not universal. Variables which refer tocategories themselves are usually written in a script font.category
category a unit in a classification system.Major Diagnostic category a group of similar diagnosis-related groups, such as all those affecting a given organ system of the body.See CTGY
See CTGYcategory
Synonyms for categorynoun classSynonyms- class
- grouping
- heading
- head
- order
- sort
- list
- department
- type
- division
- section
- rank
- grade
- classification
Synonyms for categorynoun a subdivision of a larger groupSynonyms- class
- classification
- order
- set
Synonyms for categorynoun a collection of things sharing a common attributeSynonymsRelated Words- grammatical category
- syntactic category
- substitution class
- paradigm
- aggregation
- collection
- accumulation
- assemblage
- brass family
- violin family
- woodwind family
- stamp
- sex
- declension
- conjugation
- denomination
- histocompatibility complex
- superphylum
noun a general concept that marks divisions or coordinations in a conceptual schemeRelated Words- concept
- conception
- construct
- kind
- sort
- form
- variety
- pigeonhole
- rubric
- way
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