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  1. Dictionary
    boul·der
    /ˈbōldər/

    noun

    • 1. a large rock, typically one that has been worn smooth by erosion.

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    More definitions, origin and scrabble points

  2. www.merriam-webster.com › dictionary › boulderBoulder Definition & Meaning - Merriam-Webster

    noun. boul· der ˈbōl-dər. variants or less commonly bowlder. : a detached and rounded or much-worn mass of rock. bouldered. ˈbōl-dərd. adjective. bouldery. ˈbōl-d (ə-)rē. adjective. Examples of boulder in a Sentence.

  3. dictionary.cambridge.org › dictionary › englishBOULDER | English meaning - Cambridge Dictionary

    a large, rounded rock that has been smoothed by the action of the weather or water. (Definition of boulder from the Cambridge Academic Content Dictionary © Cambridge University Press) Examples of boulder.

  4. www.dictionary.com › browse › boulderBOULDER Definition & Meaning | Dictionary.com

    Boulder definition: a detached and rounded or worn rock, especially a large one.. See examples of BOULDER used in a sentence.

  5. www.vocabulary.com › dictionary › boulderBoulder - Definition, Meaning & Synonyms - Vocabulary.com

    A boulder is a rock — a big one. Scientists often think of a boulder in more technical terms than we do. They use the word to describe not just a big rock, but a rock that some natural force — a river, a glacier or the like — has moved from its original location to its present one.

  6. dictionary.cambridge.org › us › dictionaryBOULDER | definition in the Cambridge English Dictionary

    a large, rounded rock that has been smoothed by the action of the weather or water. (Definition of boulder from the Cambridge Academic Content Dictionary © Cambridge University Press) Examples of boulder.

  7. www.thefreedictionary.com › boulderBoulder - definition of boulder by The Free Dictionary

    1. (Geological Science) a smooth rounded mass of rock that has a diameter greater than 25cm and that has been shaped by erosion and transported by ice or water from its original position. 2. (Geological Science) geology a rock fragment with a diameter greater than 256 mm and thus bigger than a cobble.

  8. www.collinsdictionary.com › dictionary › englishBOULDER definition and meaning | Collins English Dictionary

    noun. 1. a smooth rounded mass of rock that has a diameter greater than 25cm and that has been shaped by erosion and transported by ice or water from its original position. 2. geology. a rock fragment with a diameter greater than 256 mm and thus bigger than a cobble. Collins English Dictionary. Copyright © HarperCollins Publishers. Derived forms.

  9. www.yourdictionary.com › boulderBoulder Definition & Meaning - YourDictionary

    Boulder definition: A large rounded mass of rock lying on the surface of the ground or embedded in the soil.

  10. www.oxfordlearnersdictionaries.com › definition › englishboulder noun - Definition, pictures, pronunciation and usage...

    Definition of boulder noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  11. dictionary.cambridge.org › dictionary › learner-englishMeaning of boulder – Learner’s Dictionary - Cambridge Dictionary

    BOULDER definition: a very large rock. Learn more.

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