a face brick for bonding to a concrete lintel poured in place, having a section like a right triangle.
- Beam compass
a compass having adjustable legs, set perpendicular to the paper and sliding along a horizontal bar so as to permit the drawing of large circles. noun an instrument for drawing large circles or arcs, consisting of a horizontal beam along which two vertical legs slide Also called trammel
- Beam fill
material, as concrete, for filling spaces between beams or joists in or on top of a masonry wall.
- Beam engine
noun an early type of steam engine, in which a pivoted beam is vibrated by a vertical steam cylinder at one end, so that it transmits motion to the workload, such as a pump, at the other end
- Beam hole
noun a hole in the shield of a nuclear reactor through which a beam of radiation, esp of neutrons, is allowed to escape for experimental purposes