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definition

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definition
def‧i‧ni‧tion S2 W2 AC /ˌdefəˈnɪʃən, ˌdefɪˈnɪʃən/ noun
 Word Family: verb: define; noun: definition; adverb: definitely ≠ indefinitely; adjective: definite ≠ indefinite
1. [countable] a phrase or sentence that says exactly what a word, phrase, or idea means ⇨ define:
    a dictionary definition
    definition of
    There are many definitions of the word ‘feminism’.
    definition of something as something
    the definition of God as infinite
2. by definition if something has a particular quality by definition, it must have that quality because all things of that type have it:
    People say that students are by definition idealistic and impatient.
3. [uncountable] the clear edges, shapes, or sound that something has:
    technologies such as high definition television
    good muscle definition
     
COLLOCATIONS
■ ADJECTIVES/NOUN + definition
   ▪ clear/precise The head teacher gave us a precise definition of the school’s aims.
   ▪ broad (=including a lot of general ideas) This is a very broad definition of what poetry is.
   ▪ narrow (=including only a few ideas) Some psychiatrists still use a very narrow definition of mental illness.
   ▪ the dictionary definition Some doctors don’t accept the dictionary definition of euthanasia, and want to create different categories of assisted death.
   ▪ the legal definition of something What is the legal definition of manslaughter?
■ verbs
   ▪ give a definition Can you give me a definition of 'psychology'?
   ▪ extend/broaden/widen a definition (=make it include more ideas) The new law has broadened the definition of terrorism.