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- Dictionaryboulder/ˈbəʊldə/
noun
- 1. a large rock, typically one that has been worn smooth by erosion.
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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.
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.
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] In common usage, a boulder is too large for a person to move.
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.
Boulder definition: a detached and rounded or worn rock, especially a large one.. See examples of BOULDER used in a sentence.
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.
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.
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.
boulder. noun. /ˈbəʊldə (r)/. /ˈbəʊldər/. a very large rock which has been shaped by water or the weather. huge granite boulders underneath the cliff. fallen rocks and boulders. As the ice sheet rode over the land, huge boulders were ripped from the underlying rock. Topics Geography c2.
Boulder definition: A large rounded mass of rock lying on the surface of the ground or embedded in the soil.
