Business / Construction / Sheet Rock: Drywall-Wall board or gypsum. A manufactured panel made out of gypsum plaster and encased in a thin cardboard. Usually 1/2' thick and 4' x 8' or 4' x 12' in size. The 'joint compound'. 'Green board' type drywall has a greater resistance to moisture than regular (white) plasterboard and is used in bathrooms and other 'wet areas'.
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Rock Noun Synonyms: stone, boulder
Rock Adjective Synonyms: crag, tor, escarpment, scarp, outcrop, outcropping
Sheet Adjective Synonyms: bed-sheet, crib-sheet, fitted sheet, flat sheet, contour sheet
Sheet Noun Synonyms: area, expanse, stretch, layer, film, coat, coating, covering, blanket, cover, surface, skin, veneer
Business / Finance / Rocket Scientist: An employee of an investment firm (often having a Ph.D. in physics or mathematics) that works on highly mathematic models of derivative pricing. MORE
Entertainment / Bowling / Rocket: A ball thrown with extra speed; see also bb and bullet. MORE