1. the act of motion brought about by raising the foot and setting it down again in coordination with the transference of the weight of the body
2. a sequence of foot movements that make up a particular dance or part of a dance
3. any of several paces or rhythmic movements in marching, dancing, etc.
4. a flight of stairs, esp out of doors
5. Music a melodic interval of a second
6. a strong block or frame bolted onto the keel of a vessel and fitted to receive the base of a mast
a. a set of aerobic exercises designed to improve the cardiovascular system, which consists of stepping on and off a special box of adjustable height
b. (as modifier): Step aerobics
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
STEP Abbrev. for Solar/Terrestrial Energy Programme.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
A step, usually the lowest in a flight, having one or both ends rounded to a semicircle and projecting beyond the face of the stair string. The projection extends beyond and around the newel post.
A step built into the wall at one end, but supported at the other end only by the steps below.
A step, usually the lowest in the flight, of which one or both ends are rounded into a spiral or scroll shape which projects beyond the newel.
The vertical face of a stair step.
The horizontal upper surface of a step; includes the rounded edge or nosing which extends over the riser.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a break on the bottom of a high-speed boat; when the boat is in motion, the step creates a lifting force that causes the boat to rise and glide over the water’s surface. When a boat is hydroplaning over calm water, that is, when it has risen onto its step, less of its bottom is in contact with the water and, as a result, the water offers less resistance to the vessel’s motion. There may be one or more steps on the bottom of a hydroplane, cutter, scooter, or the float of a seaplane. The shape of the step (flat, flat-keeled) determines the vessel’s seaworthiness and speed.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
A single computer instruction or operation.
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.
A hitch or dislocation of the strata.
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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A stair unit which consists of one tread and one riser.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
STEP(STandard for the Exchange of Product Model Data) An ISO standard for product modeling. It is designed to provide a vendor-neutral and computer readable definition of a product throughout its life cycle. See PDES and IGES.
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