| step [step] COMPUTER SCIENCE A single computer instruction or operation. ENGINEERING A small offset on a piece of core or in a drill hole resulting from a sudden sidewise deviation of the bit as it enters a hard, tilted stratum or rock underlying a softer rock. GEOLOGY A hitch or dislocation of the strata. MINING ENGINEERING The portion of a longwall face at right angles to the line of the face formed when a place is worked in front of or behind an adjoining place. ORGANIC CHEMISTRY See <<elementary reaction>> |