What does boulder mean?

boulder meaning in General Dictionary

Same as Bowlder

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  • a large smooth mass of stone detached from its host to origin
  • a town in north main Colorado; Rocky Mountains resort center and college city
  • Identical To Bowlder.
  • a big stone, worn smooth or curved by the activity of liquid; a large pebble.
  • quite a few any stone, whether curved or otherwise not, that's been transported by all-natural agencies from its indigenous sleep. See Drift.

boulder meaning in Etymology Dictionary

1670s, variant of Middle English bulder (c.1300), from a Scandinavian source comparable to Swedish dialectal bullersten "noisy stone" (big rock in a stream, causing liquid to roar around it), from bullra "to roar" + sten "stone." And/or first element might be from *buller- "round item," from Proto-Germanic *bul-, from PIE *bhel- (2) "to inflate, swell" (see bole).

boulder meaning in General Dictionary

(n.) just like Bowlder.

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  • (letter.) A sizable rock, worn smooth or rounded by the activity of water; a big pebble.

Sentence Examples with the word boulder

The last well-marked lowering of the land took place in the Pleistocene period, when it was accompanied by glacial conditions, through which the greater part of northern England and the Midlands was covered by ice; a state of things which led directly and indirectly to the deposition of those extensive boulder clays, sands and gravels which obscure so much of the older surface of the country in all but the southern counties.

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