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Aerial photo revealed several boulders, but the largest was hidden from view.—Lauren Liebhaber, Miami Herald, 30 May 2025 Since its landing in February of 2021, Perseverance has traveled more than 22 miles (36 kilometers) across the Martian surface, analyzed 37 rocks and boulders, and collected 26 rock cores.—Sharmila Kuthunur, Space.com, 29 May 2025 Then a 20-foot wall of trees, boulders and mud rockets straight at them.—Jennifer Berry Hawes, ProPublica, 19 May 2025 Those bodies of liquid carve out shorelines, valleys, mountain ridges, icy boulders, mesas and dunes.—Jamie Carter, Forbes.com, 17 May 2025 See All Example Sentences for boulder
Word History
Etymology
short for boulder stone, from Middle English bulder ston, partial translation of a word of Scandinavian origin; akin to Swedish dialect bullersten large stone in a stream, from buller noise + sten stone
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