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  1. Dictionary
    boulder
    /ˈbəʊldə/

    noun

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

    More definitions, origin and scrabble points

  2. 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.

  3. 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.

  4. 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.

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

  6. 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.

  7. 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.

  8. Definition of boulder noun from the Oxford Advanced Learner's Dictionary. boulder. noun. /ˈbəʊldə (r)/ /ˈbəʊldər/ enlarge image. a very large rock which has been shaped by water or the weather. huge granite boulders underneath the cliff. fallen rocks and boulders.

  9. 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.

  10. BOULDER definition: a very large rock. Learn more.

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

  12. en.wikipedia.org › wiki › BoulderBoulder - Wikipedia

    In geology, a boulder (or rarely bowlder) [1] is a rock fragment with size greater than 25.6 cm (10.1 in) in diameter. [2] Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. [3]

  13. Sep 26, 2024 · boulder (plural boulders) A large mass of stone detached from the surrounding land. A particle greater than 256 mm in diameter, following the Wentworth scale; A large marble, in children's games.

  14. boulder meaning, definition, what is boulder: a large round piece of rock: Learn more.

  15. boulder /ˈbəʊldə/ n. 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.

  16. What does the noun boulder mean? There are three meanings listed in OED's entry for the noun boulder. See ‘Meaning & use’ for definitions, usage, and quotation evidence. boulder has developed meanings and uses in subjects including. geology (early 1600s) mining (1860s) Entry status.

  17. Oct 9, 2022 · Boulders are generally larger than rocks, and they often have a more defined shape. They can also be used for different purposes – Rocks are typically used for construction or landscaping, while boulders are often used for decorative purposes.

  18. In geology, a boulder (or rarely bowlder) is a rock fragment with size greater than 25.6 centimetres (10.1 in) in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive.

  19. boulder meaning: a very large rock. Learn more.

  20. Find 56 different ways to say BOULDER, along with antonyms, related words, and example sentences at Thesaurus.com.

  21. Mar 11, 2024 · A boulder is a large rock fragment, typically larger than 25.6 cm (10 inches) in diameter, originating from various geological processes. A rock is a natural solid mass or aggregate of minerals, varying in size from small pebbles to massive formations.

  22. Feb 22, 2022 · The difference between a rock and a boulder can be explained in terms of size and detachment. A rock is defined by geologists as an aggregate of minerals. A boulder is a type of rock, specifically a large detached one. All boulders are rocks, but not all rocks are boulders.

  23. noun. These are words and phrases related to boulder. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of boulder. ROCK. Synonyms. rock. stone. pebble. flint. gravel. limestone. marble. Synonyms for boulder from Random House Roget's College Thesaurus, Revised and Updated Edition © 2000 Random House, Inc. Browse.

  24. Boulder. A city in Colorado, home of the University of Colorado. A crazy town consisting of primarily hippies, stoners, a couple of rich areas, and of course, the college. Very large party school.