Did you know?

Click any word in a definition or example to find the entry for that word

expansion

 - definition
 
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
noun British English pronunciation: expansion /ɪkˈspænʃ(ə)n/ 
Word Forms
Close
singularexpansion
pluralexpansions

Related dictionary definitions

  1. 1
    [uncountable] the process of increasing in size and filling more space

    damage caused to buildings through the expansion and contraction of timbers

  2. 2
    [uncountable] the process of making a business, organization, or activity grow by including more people, moving into new areas, selling more products etc

    The company has looked at a number of ways of financing its expansion.

    the rapid expansion of private nursing-home care over the last decade

    We plan to continue our expansion programme.

  3. 3
    [countable] something that has more detail or information than something done before

    His latest work is an expansion of themes foreshadowed in his earlier plays.

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

BuzzWord Article

Word of the Day

spinnaker

an extra sail sometimes fitted on the front of a boat used for racing

Open Dictionary

subtweet

to post a tweet, usually a negative one, that mentions a person without using the @ sign, so that they will not see the message on their Twitter feed …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog