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noun [countable] base pronunciation in British English /beɪs/
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singularbase
pluralbases
  1. 1
    the bottom part, edge, or surface of something
    a tall cliff, with a narrow footpath at its base
    base of: The pituitary gland is at the base of the brain.
    The manufacturer’s name is printed on the base of the vase.
    1. a.
      the bottom part or section of something, that supports the rest of it
      The statue stands on a large round base.
      base of: The base of your bed is as important as the mattress.
  2. 2
    a place from which an activity can be planned, started, or carried out
    base for: Terrorists had been using the warehouse as a base for their operations.
    Hikers find this a convenient base for their mountain expeditions.
  3. 3
    a set of ideas, facts, achievements etc from which something can develop
    Income from magazine publishing provides the company with a strong financial base.
    base for: The report will give us a base for building a better healthcare system.
    base of: a broad base of experience/knowledge/expertise
    Synonyms and related words
  4. 4
    a group of people who use a particular service or do a particular job
    They have built a loyal customer base.
    base of: The team has a base of strong players.
    1. a.
      a group of people who support someone or something, for example with money or votes
      He has a large base of support within the party.
    2. b.
      a group of businesses or industries that form an important part of an economy
      Britain’s manufacturing base was weak and deteriorating.
  5. 6
    a food or substance that is the main food or substance to which other things are added
    Use the stock as a base for your sauce.
    paint with a water base
    Synonyms and related words

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