branch of physics devoted to the study and measurement of radiation; especially in meteorological, solar, atmospheric and terrestrial radiation.
1. to bring to a specific consistency (e.g. to bring steel, glass or the like, to a proper degree of hardness and toughness.) 2. steel that has been hardened by high heat and sudden cooling, as by plunging into water, usually required to be gently reheated to a degree depending on its proposed use, and […]
an elevated reservoir which received water to be distributed, usually by gravity, to the building’s water system
a term applied to anaerobic decomposition, whereby intensive growths of bacteria with the enzymes secreted by them liquify and gasify solid organic matters.
any of various gases producing bacteria.
a piece of asbestos rope with clamps placed around a pipe, or tile joint, to serve as a dam for the retention of poured molten metal later to be caulked in. An incombustible type of packing, generally used for guides and holds lead in a bell during the pouring of a joint.
1. the lowest portion of the inside of any horizontal pipe. 2. to turn as upside down.