Definition of terminology noun from the Oxford Advanced Learner's Dictionary

     

    terminology

     noun
    noun
    BrE BrE//ˌtɜːmɪˈnɒlədʒi//
     
    ; NAmE NAmE//ˌtɜːrməˈnɑːlədʒi//
     
    (pl. terminologies)
     
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  1. 1[uncountable, countable] the set of technical words or expressions used in a particular subject medical terminology Scientists are constantly developing new terminologies. Synonymslanguagevocabulary terms wording terminologyThese are all terms for the words and expressions people use when they speak or write, or for a particular style of speaking or writing.language a particular style of speaking or writing:Give your instructions in everyday language. the language of the legal professionvocabulary all the words that a person knows or uses, or all the words in a particular language; the words that people use when they are talking about a particular subject:to have a wide/​limited vocabulary The word has become part of advertising vocabulary.terms a way of expressing yourself or of saying something:I’ll try to explain in simple terms.wording [usually sing.] the words that are used in a piece of writing or speech, especially when they have been carefully chosen:It was the standard form of wording for a consent letter.terminology (rather formal) the set of technical words or expressions used in a particular subject; words used with particular meanings:medical terminology Scientists are constantly developing new terminologies. Literary/​poetic terminology is used for talking about literature or poetry. Literary/​poetic language is used for writing in a literary or poetic style.Patterns formal/​informal/​everyday language/​vocabulary/​terms business/​scientific/​technical/​specialized language/​vocabulary/​terminology A word enters the language/​the vocabulary.
  2. 2[uncountable] words used with particular meanings The disagreement arose over a different use of terminology. Synonymslanguagevocabulary terms wording terminologyThese are all terms for the words and expressions people use when they speak or write, or for a particular style of speaking or writing.language a particular style of speaking or writing:Give your instructions in everyday language. the language of the legal professionvocabulary all the words that a person knows or uses, or all the words in a particular language; the words that people use when they are talking about a particular subject:to have a wide/​limited vocabulary The word has become part of advertising vocabulary.terms a way of expressing yourself or of saying something:I’ll try to explain in simple terms.wording [usually sing.] the words that are used in a piece of writing or speech, especially when they have been carefully chosen:It was the standard form of wording for a consent letter.terminology (rather formal) the set of technical words or expressions used in a particular subject; words used with particular meanings:medical terminology Scientists are constantly developing new terminologies. Literary/​poetic terminology is used for talking about literature or poetry. Literary/​poetic language is used for writing in a literary or poetic style.Patterns formal/​informal/​everyday language/​vocabulary/​terms business/​scientific/​technical/​specialized language/​vocabulary/​terminology A word enters the language/​the vocabulary.
  3. Word Origin early 19th cent.: from German Terminologie, from medieval Latin terminus ‘term’.Extra examples The outer walls, in building terminology, are ‘double skin’. The article avoids using too much medical terminology. The disagreement arose over a difference in the use of terminology.
See the Oxford Advanced American Dictionary entry: terminology