Rock-beauty
noun
1.
a gold and black butterflyfish, Holocanthus tricolor, ranging from the West Indies to Brazil.
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noun 1. a prickleback, Xiphister mucosus, of the Pacific coast from southern California to Alaska.
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noun, Mining, Civil Engineering. 1. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber.
- Rock boot
noun 1. a tight-fitting rock-climbing boot with a canvas or suede upper and smooth rubber sole, designed to give good grip on small holds
- Rock borer
noun 1. any of various sea creatures that bore into rock, such as some sea urchins, sponges, annelid worms, barnacles, isopods, and molluscs
- Rock-bottom
adjective 1. at the lowest possible limit or level; extremely low: rock-bottom prices. noun 1. the very lowest level: He went bankrupt and touched rock bottom. noun 1. the lowest possible level (as modifier): rock-bottom prices rock bottom The lowest possible level, absolute bottom, as in Wheat prices have reached rock bottom. This idiom alludes […]