Dictionary: a reference work defining words, senses, and usage
A dictionary is a reference that lists words (headwords) with meanings, pronunciations, etymologies and usage notes. It exists in many types — monolingual, bilingual, technical, learner, and encyclopedic — in print and online.
Overview
A dictionary is a reference resource that records words (often called headwords or lexemes) and information about their meanings, pronunciation, grammatical behavior and usage. Entries are usually arranged in alphabetical order to make lookup efficient, though some specialized collections use thematic, frequency-based, or reverse arrangements. Modern dictionaries may be published in print or delivered digitally with search, audio pronunciation and hyperlinks.
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Structure of an entry
Most dictionary entries combine several standard elements: the headword, its pronunciation (often shown in a phonetic transcription), part of speech, one or more numbered senses with concise definitions, example sentences, etymological notes and cross-references to related entries. Usage labels indicate register (formal, informal, archaic), regionality, or subject-field. Specialized dictionaries may also list inflected forms, translations, synonyms and antonyms.
History and development
People have compiled word lists and glossaries for centuries to help readers understand texts in other dialects or ancient languages. The systematic, alphabetic monolingual dictionary became prominent in Europe as printing and scholarship advanced; notable milestones include large prescriptive and descriptive works produced in the 18th and 19th centuries by lexicographers such as Samuel Johnson and Noah Webster. In the 20th and 21st centuries lexicography increasingly used corpora — large collections of authenticated text — to base definitions and usage on actual language data.
Types and examples
- Monolingual dictionaries: give definitions in the same language and are common general reference works.
- Bilingual and multilingual dictionaries: provide equivalents across languages for translation and learning.
- Learner's dictionaries: tailored to language students with simplified definitions and frequency information.
- Specialized and technical dictionaries: focus on vocabulary for law, medicine, engineering or other fields.
- Thesauruses and synonym dictionaries: organize words by meaning rather than strict definitions.
- Encyclopedic and biographical dictionaries: blend dictionary-style entries with condensed factual articles.
Uses and importance
Dictionaries support reading comprehension, writing, translation and vocabulary learning. For professionals they offer precise technical senses; for students they clarify pronunciation and typical collocations. Digital dictionaries add search tools, sound files, corpora-derived examples and continual updating. In computational fields, lexical databases and machine-readable dictionaries are essential for natural language processing and information retrieval.
Distinctions and notable points
It is useful to distinguish a dictionary from a thesaurus (focused on synonyms and antonyms) and from an encyclopedia (which presents broader factual articles about topics). Lexicography is the scholarly activity of compiling dictionaries; it balances description (recording how language is used) and prescription (recommending usage). Regional editions, historical dictionaries and learner materials illustrate the diversity of aims that modern dictionaries serve.
Further resources
- General reference on dictionaries
- History of lexicography
- Monolingual dictionary examples
- Alphabetical ordering and indexing
- Etymology and word history
- Bilingual and translation resources
- Biographical dictionaries
- Technical and subject dictionaries
- Thesaurus and synonym tools
- Encyclopedic and hybrid reference works
Questions and answers
Q: What is a dictionary?
A: A dictionary is a type of book which explains the meanings of words or, more precisely, lexemes.
Q: How are words arranged in dictionaries?
A: Words are arranged in alphabetical order so that they can be found quickly.
Q: What is the meaning of the word "dictionary"?
A: The word "dictionary" comes from the Latin "dictio" ("saying").
Q: What are the different types of dictionaries?
A: There are several types of dictionaries: dictionaries which explain words and how they are used, dictionaries which translate words from one language to another, dictionaries of biography which tell about famous people, technical dictionaries which explain the meanings of technical words or words connected to a particular subject (sometimes called a thesaurus).
Q: How is an encyclopedia different from a dictionary?
A: An encyclopedia gives a lot of extra information about things (knowledge) and does not explain the use of the language. An encyclopedic dictionary gives less information about the topic than a real encyclopedia does, but more than a simple dictionary.
Q: What is the origin of the word "dictio"?
A: The word "dictionary" comes from the Latin "dictio" ("saying").
Q: What is the purpose of technical dictionaries?
A: Technical dictionaries explain the meanings of technical words or words connected to a particular subject.
Related articles
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AlegsaOnline.com Dictionary: a reference work defining words, senses, and usage Leandro Alegsa
URL: https://en.alegsaonline.com/art/27233