Proper noun

Current linguistics makes a distinction between proper nouns and proper names^[a] but this distinction is not universally observed^[12] and sometimes it is observed but not rigorously.^[b] When the distinction is made, proper nouns are limited to single words only (possibly with the), while proper names include all proper nouns (in their primary applications) as well as noun phrases such as the United Kingdom, North Carolina, Royal Air Force, and the White House.^[c] Proper names can have a common noun or a proper noun as their head; the United Kingdom, for example, is a proper name with the common noun kingdom as its head, and North Carolina is headed by the proper noun Carolina. Especially as titles of works, but also as nicknames and the like, some proper names contain no noun and are not formed as noun phrases (the film Being There; Hi De Ho as a nickname for Cab Calloway and as the title of a film about him).

Proper names are also referred to (by linguists) as naming expressions.^[14] Sometimes they are called simply names;^[14] but that term is also used more broadly (as in "chair is the name for something we sit on"); the latter type of name is called a common name to distinguish it from a proper name.^[15]

Common nouns are frequently used as components of proper names. Some examples are agency, boulevard, city, day, and edition. In such cases the common noun may determine the kind of entity, and a modifier determines the unique entity itself. For example:

• The 16th robotic probe to land on the planet was assigned to study the north pole, and the 17th probe the south pole.

(common-noun senses throughout)

• When Probe 17 overflew the South Pole, it passed directly over the place where Captain Scott's expedition ended.

(in this sentence, Probe 17 is the proper name of a vessel, and South Pole is a proper name referring to Earth's south pole)

• Sanjay lives on the beach road.

(the road that runs along the beach)

• Sanjay lives on Beach Road.

(as a proper name, Beach Road may have nothing to do with the beach; it may be any distance from the waterfront)

• My university has a school of medicine.

(no indication of the name of the university or its medical school)

• The John A. Burns School of Medicine is located at the University of Hawaii at Manoa.

Proper nouns, and all proper names, differ from common nouns grammatically in English. They may take titles, such as Mr Harris or Senator Harris. Otherwise, they normally only take modifiers that add emotive coloring, such as old Mrs Fletcher, poor Charles, or historic York; in a formal style, this may include the, as in the inimitable Henry Higgins. They may also take the in the manner of common nouns in order to establish the context in which they are unique: the young Mr Hamilton (not the old one), the Dr Brown I know; or as proper nouns to define an aspect of the referent: the young Einstein (Einstein when he was young). The indefinite article a may similarly be used to establish a new referent: the column was written by a [or one] Mary Price. Proper names based on noun phrases differ grammatically from common noun phrases. They are fixed expressions, and cannot be modified internally: beautiful King's College is acceptable, but not King's famous College.^[16]

As with proper nouns, so with proper names more generally: they may only be unique within the appropriate context. For instance, India has a ministry of home affairs (a common-noun phrase) called the Ministry of Home Affairs (its proper name). Within the context of India, this identifies a unique organization. However, other countries may also have ministries of home affairs called "the Ministry of Home Affairs", but each refers to a unique object, so each is a proper name. Similarly, "Beach Road" is a unique road, though other towns may have their own roads named "Beach Road" as well. This is simply a matter of the pragmatics of naming, and of whether a naming convention provides identifiers that are unique; and this depends on the scope given by context.

Because they are used to refer to an individual entity, proper names are, by their nature, definite; so many regard a definite article as redundant, and personal names (like John) are used without an article or other determiner. However, some proper names are usually used with the definite article. Grammarians divide over whether the definite article becomes part of the proper name in these cases, or is preceding the proper name. The Cambridge Grammar of the English Language terms these weak proper names, in contrast with the more typical strong proper names, which are normally used without an article.

Entities with proper names that use the definite article include geographical features (e.g., the Mediterranean, the Thames), buildings (e.g., the Parthenon), institutions (e.g., the House of Commons), cities and districts (e.g., The Hague, the Bronx), works of literature (e.g., the Bible), newspapers and magazines (e.g., The Times, The Economist, the New Statesman),^[17] and events (e.g., the '45, the Holocaust). Plural proper names take the definite article. Such plural proper names include mountain ranges (e.g., the Himalayas), and collections of islands (e.g., the Hebrides).^[17]

However, if adjectives are used, they are placed after the definite article (e.g., "the mighty Yangtze"). When such proper nouns are grouped together, sometimes only a single definite article will be used at the head (e.g., "the Nile, Congo, and Niger"). And in certain contexts, it is grammatically permissible or even mandatory to drop the article.

The definite article is not used in the presence of preceding possessives (e.g., "Da Vinci's Mona Lisa", "our United Kingdom"), demonstratives (e.g., "life in these United States", "that spectacular Alhambra"), interrogatives (e.g., "whose Mediterranean: Rome's or Carthage's"), or words like "no" or "another" (e.g., "that dump is no Taj Mahal", "neo-Nazis want another Holocaust").

An indefinite article phrase voids the use of the definite article (e.g., "a restored Sistine Chapel", "a Philippines free from colonial masters").

The definite article is omitted when such a proper noun is used attributively (e.g., "Hague residents are concerned ...", "... eight pints of Thames water ..."). If a definite article is present, it is for the noun, not the attributive (e.g., "the Amazon jungle", "the Bay of Pigs debacle").

Vocative phrases that address a proper noun also cause the article to be dropped (e.g., "jump that shark, Fonz!", "O Pacific, be so on our voyage", "Go Bears!", "U-S-A! U-S-A!").

In grammatical constructs where a definite article would be used even with a proper noun that normally does not use it, only a single article is used (e.g., "the Matterhorn at Disneyland is not the Matterhorn"). In a grouping, a single definite article at the head may be understood to cover for the others (e.g., "the Germany of Hitler, British Empire of Churchill, United States of Roosevelt, and Soviet Union of Stalin").

Headlines, which often simplify grammar for space or punchiness, frequently omit both definite and indefinite articles.

Maps will typically include definite articles in the title, but omit them from the map image itself (e.g., Maldives, Sahara, Arctic Ocean, Andes, Elbe); however, exceptions may be made (e.g., The Wash, The Gambia). It is also customary to drop the definite article in tables (e.g., a table of nations or territories with population, area, and economy, or a table of rivers by length).

Proper names often have a number of variants, for instance a formal variant (David, the United States of America) and an informal variant (Dave, the United States).^[11]

In languages that use alphabetic scripts and that distinguish lower and upper case, there is usually an association between proper names and capitalization. In German, all nouns are capitalized, but other words are also capitalized in proper names (not including composition titles), for instance: der Große Bär (the Great Bear, Ursa Major). For proper names, as for several other kinds of words and phrases, the details are complex, and vary sharply from language to language. For example, expressions for days of the week and months of the year are capitalized in English, but not in Spanish, French, Swedish, or Finnish, though they may be understood as proper names in all of these. Languages differ in whether most elements of multiword proper names are capitalized (American English has House of Representatives, in which lexical words are capitalized) or only the initial element (as in Slovenian Državni zbor, "National Assembly"). In Czech, multiword settlement names are capitalized throughout, but non-settlement names are only capitalized in the initial element, though with many exceptions.

European alphabetic scripts only developed a distinction between upper case and lower case in medieval times so in the alphabetic scripts of ancient Greek and Latin proper names were not systematically marked. They are marked with modern capitalization, however, in many modern editions of ancient texts.

In past centuries, orthographic practices in English varied widely. Capitalization was much less standardized than today. Documents from the 18th century show some writers capitalizing all nouns, and others capitalizing certain nouns based on varying ideas of their importance in the discussion. Historical documents from the early United States show some examples of this process: the end (but not the beginning) of the Declaration of Independence (1776) and all of the Constitution (1787) show nearly all nouns capitalized; the Bill of Rights (1789) capitalizes a few common nouns but not most of them; and the Thirteenth Constitutional Amendment (1865) capitalizes only proper nouns.

In Danish, from the 17th century until the orthographic reform of 1948, all nouns were capitalized.^[18]

In modern English orthography, it is the norm for recognized proper names to be capitalized.^[19] The few clear exceptions include summer and winter (contrast July and Christmas). It is also standard that most capitalizing of common nouns is considered incorrect, except of course when the capitalization is simply a matter of text styling, as at the start of a sentence or in titles and other headings. See Letter case § Title case.

Although these rules have been standardized, there are enough gray areas that it can often be unclear both whether an item qualifies as a proper name and whether it should be capitalized: "the Cuban missile crisis" is often capitalized ("Cuban Missile Crisis") and often not, regardless of its syntactic status or its function in discourse. Most style guides give decisive recommendations on capitalization, but not all of them go into detail on how to decide in these gray areas if words are proper nouns or not and should be capitalized or not.^[d]

Words or phrases that are neither proper nouns nor derived from proper nouns are often capitalized in present-day English: Dr, Baptist, Congregationalism, His and He in reference to the Abrahamic deity (God). For some such words, capitalization is optional or dependent on context: northerner or Northerner; aboriginal trees but Aboriginal land rights in Australia. When the comes at the start of a proper name, as in the White House, it is not normally capitalized unless it is a formal part of a title (of a book, film, or other artistic creation, as in The Keys to the Kingdom).

Nouns and noun phrases that are not proper may be uniformly capitalized to indicate that they are definitive and regimented in their application (compare brand names, discussed below). For example, Mountain Bluebird does not identify a unique individual, and it is not a proper name but a so-called common name (somewhat misleadingly, because this is not intended as a contrast with the term proper name). Such capitalization indicates that the term is a conventional designation for exactly that species (Sialia currucoides),^[22] not for just any bluebird that happens to live in the mountains.^[e]

Words or phrases derived from proper names are generally capitalized, even when they are not themselves proper names. For example, Londoner is capitalized because it derives from the proper name London, but it is not itself a proper name (it can be limited: the Londoner, some Londoners). Similarly, African, Africanize, and Africanism are not proper names, but are capitalized because Africa is a proper name. Adjectives, verbs, adverbs, and derived common nouns that are capitalized (Swiss in Swiss cheese; Anglicize; Calvinistically; Petrarchism) are sometimes loosely called proper adjectives (and so on), but not in mainstream linguistics. Which of these items are capitalized may be merely conventional. Abrahamic, Buddhist, Hollywoodize, Freudianism, and Reagonomics are capitalized; quixotic, bowdlerize, mesmerism, and pasteurization are not; aeolian and alpinism may be capitalized or not.

Some words or some homonyms (depending on how a body of study defines "word") have one meaning when capitalized and another when not. Sometimes the capitalized variant is a proper noun (the Moon; dedicated to God; Smith's apprentice) and the other variant is not (the third moon of Saturn; a Greek god; the smith's apprentice). Sometimes neither is a proper noun (a swede in the soup; a Swede who came to see me). Such words that vary according to case are sometimes called capitonyms (although only rarely: this term is scarcely used in linguistic theory and does not appear in the Oxford English Dictionary).

In most alphabetic languages, brand names and other commercial terms that are nouns or noun phrases are capitalized whether or not they count as proper names.^{[citation needed]} Not all brand names are proper names, and not all proper names are brand names.

• Microsoft is a proper name, referring to a specific company. But if Microsoft is given a non-standard secondary application, in the role of a common noun, these usages are accepted: "The Microsofts of this world"; "That's not the Microsoft I know!"; "The company aspired to be another Microsoft."
• Chevrolet is similarly a proper name referring to a specific company. But unlike Microsoft, it is also used in the role of a common noun to refer to products of the named company: "He drove a Chevrolet" (a particular vehicle); "The Chevrolets of the 1960s" (classes of vehicles). In these uses, Chevrolet does not function as a proper name.^[24]
• Corvette (referring to a car produced by the company Chevrolet) is not a proper name:^[f] it can be pluralized (French and English Corvettes); and it can take a definite article or other determiner or modifier: "the Corvette", "la Corvette"; "my Corvette", "ma Corvette"; "another new Corvette", "une autre nouvelle Corvette". Similarly, Chevrolet Corvette is not a proper name: "We owned three Chevrolet Corvettes." It contrasts with the uncapitalized corvette, a kind of warship.

In non-alphabetic scripts, proper names are sometimes marked by other means.

In Egyptian hieroglyphs, parts of a royal name were enclosed in a cartouche: an oval with a line at one end.^[26]

In Chinese script, a proper name mark (a kind of underline) has sometimes been used to indicate a proper name. In the standard Pinyin system of romanization for Mandarin Chinese, capitalization is used to mark proper names,^[27] with some complexities because of different Chinese classifications of nominal types,^[g] and even different notions of such broad categories as word and phrase.^[29]

Sanskrit and other languages written in the Devanagari script, along with many other languages using alphabetic or syllabic scripts, do not distinguish upper and lower case and do not mark proper names systematically.

There is evidence from brain disorders such as aphasia that proper names and common names are processed differently by the brain.^[30]

There also appear to be differences in language acquisition. Although Japanese does not distinguish overtly between common and proper nouns, two-year-old children learning Japanese distinguished between names for categories of object (equivalent to common names) and names of individuals (equivalent to proper names): When a previously unknown label was applied to an unfamiliar object, the children assumed that the label designated the class of object (i.e. they treated the label as the common name of that object), regardless of whether the object was inanimate or not. However, if the object already had an established name, there was a difference between inanimate objects and animals:

• for inanimate objects, the children tended to interpret the new label as a sub-class, but
• for animals they tended to interpret the label as a name for the individual animal (i.e. a proper name).^[31]

In English, children employ different strategies depending on the type of referent but also rely on syntactic cues, such as the presence or absence of the determiner "the" to differentiate between common and proper nouns when first learned.^[32]

• Name
• Proper name (philosophy)

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• Wikiversity: Proper name