Associations to the word «Boulder»
BOULDER, noun. A large mass of stone detached from the surrounding land.
BOULDER, noun. (geology) A particle greater than 256 mm in diameter, following the Wentworth scale
BOULDER, verb. To engage in bouldering
BOULDER OPAL, noun. An opal consisting of concretions and fracture fillings in a dark siliceous ironstone matrix.
BOULDER OPALS, noun. Plural of boulder opal
BOULDER, noun. A large smooth mass of rock detached from its place of origin.
BOULDER, noun. A town in north central Colorado; Rocky Mountains resort center and university town.
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