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1. Dictionary

   Boul·der

   /ˈbōldər/

   

   noun

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

   Word Origin late Middle English: shortened from earlier boulderstone.

   Derivatives

   • 1. bouldery adjective

   Scrabble Points: 10

   • B

     3

   • O

     1

   • U

     1

   • L

     1

   • D

     2

   • E

     1

   • R

     1

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2. People also ask

   Is a boulder a big rock?

   • 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.

   Boulder - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com/dictionary/boulder

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   What does Boulder mean?

   • Get a quick, free translation! BOULDER definition: 1. a very large rock 2. a very large rock 3. a large, rounded rock that has been smoothed by the…. Learn more.

   BOULDER | English meaning - Cambridge Dictionary

   dictionary.cambridge.org/dictionary/english/boulder

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   What does Bulder mean?

   • A city of north-central Colorado northwest of Denver. It is a major Rocky Mountains resort and the seat of the University of Colorado (opened 1877). n. A large rounded mass of rock lying on the surface of the ground or embedded in the soil. [Middle English bulder, of Scandinavian origin; see bhel- in Indo-European roots .]

   Boulder - definition of boulder by The Free Dictionary

   www.thefreedictionary.com/boulder

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   What is a boulder in a stream?

   • The sight of the boulder is an original impression. The substrate was composed mainly of cobbles at the study riffles, although boulders were common in the stream at greater altitudes. The underlying rock is massive granite, which has been exposed to form outcrops and boulders throughout the area, with grass and trees between them.

   BOULDER | English meaning - Cambridge Dictionary

   dictionary.cambridge.org/dictionary/english/boulder

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

   www.merriam-webster.com › dictionary › boulder

   • Cached

   Learn the origin, usage, and examples of the word boulder, which means a large detached and rounded or worn mass of rock. Also find out the name of a city in Colorado and its population.

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

   dictionary.cambridge.org › dictionary › english

   • Cached

   A boulder is a very large rock or a large, rounded rock that has been smoothed by the weather or water. Learn more about the word boulder, its pronunciation, collocations and translations from Cambridge Dictionary.

5. dictionary.cambridge.org › english › boulderBOULDER | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › boulder

   • Cached

   A boulder is a very large rock or a rounded rock smoothed by weather or water. Learn how to use this word in sentences and find out how to say it in different languages.

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

   www.dictionary.com › browse › boulder

   • Cached

   noun. 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. geology a rock fragment with a diameter greater than 256 mm and thus bigger than a cobble.

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

   www.vocabulary.com › dictionary › boulder

   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.

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

   www.thefreedictionary.com › boulder

   • Cached

   A boulder is a large smooth rock detached from its place of origin, or a city in Colorado. Learn more about the word boulder, its synonyms, pronunciation, and translations from various sources.

9. www.oxfordlearnersdictionaries.com › us › definitionboulder noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › us › definition

   • Cached

   A boulder is a very large rock shaped by water or the weather. Learn how to pronounce boulder, see pictures of boulders and read example sentences from the Oxford Advanced Learner's Dictionary.