A long-period sea wave, potentially catastrophic, produced by a submarine earthquake or volcanic eruption. It may travel unnoticed across the ocean for thousands of miles from its point of origin, building up to great heights over shoal water. Also called SEISMIC SEA WAVE, TIDAL WAVE.


Related Terms

PANEL HEATING

A system in which the paper mill buildings A building or complex of housing paper machines. panic hardware See panic exit device.

PANEL SYSTEM

A wall composed of factory-assembled units connected to the building frame and to each other by means of anchors.

OPEN PLAN

Arrangement of the interior of a building without distinct barriers such as partitions.

NEEDLE BEAM

A temporary member thrust under a building or a foundation for use in underpinning.

NEEDLING

Underpinning the upper part of a building with horizontally placed timber or steel beams.

MODULE

1. A packaged assembly of wired components, built in a standardized size and having standardized plug-in or solderable terminations. 2. A unit of size used as a basic component for standardizing the design and construction of buildings, building parts, and furniture.

MODULAR STRUCTURE

1. A building that is constructed of preassembled or presized units of standard sizes; uses a 4-inch (10.16-centimeter) cubical module as a reference. 2. An assembly involving the use of integral multiples of a given length for the dimensions of electronic components and electronic equipment, as well as for spacings of holes in a chassis or printed wiring board. 3. An assembly made from modules.

MILL BUILDING

A steel-frame building in which roof trusses span columns in the outside wall; originally, this type of building housed milling machinery, as for wood or metal, hence the name.

MICRO AIR VEHICLE

A very small airborne autonomous vehicle that can operate inside a building using primarily visual and other sensory information to navigate.

MECHANICAL AREA

The areas in a building that include equipment rooms, shafts, stacks, tunnels, and closets used for heating, ventilating, air conditioning, piping, communication, hoisting, conveying, and electrical services.

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