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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.



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noun [countable/uncountable] exploration pronunciation in American English /ˌekspləˈreɪʃ(ə)n/ 
Word Forms
  1. 1
    a trip to a place to learn about it or to search for something valuable such as oil

    the future of space exploration

    oil/gas/mineral exploration

    exploration of:

    Exploration of the solar system began in the 19th century.

    Synonyms and related words for this sense of exploration
  2. 2
    a thorough examination or discussion of a subject, idea, etc.
    exploration of/into:

    Shakespeare's exploration of the theme of friendship


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