Vapour barrier

1. The carrier-free space-charge region in a semiconductor pn junction. 2. An insulating partition placed between two conductors or terminals to lengthen the dielectric path.

barrier

Military; General military

A coordinated series of obstacles designed or employed to channel, direct, restrict, delay, or stop the movement of an opposing force and to impose additional losses in personnel, ...

barrier

Economy; International economics

1. Any impediment to the international movement of goods, services, capital, or other factors of production. Most commonly a trade barrier. 2. An entry barrier.

barrier

Entertainment; Circus

Low fence running along the circus ring perimeter, with two draw entrances one opposite to the other and opposite to vorgang. The height of barrier was fixed so that a four-year ...

abrasion resistance

Building materials; Tiles

Ability of a surface to resist being worn away by rubbing and friction.

absorption

Building materials; Tiles

The relationship of the weight of the water absorbed be a ceramic specimen subjected to prescribed immersion procedure, to the weight of the dry specimen, expressed in percent.

wood float

Building materials; Tiles

The wood float is sometimes used in place of the flat trowel for floating mortar. It is good for smoothing small irregularities left on the mortar bed, working the surface of the ...

wall tile

Building materials; Tiles

A glazed tile with a body that is suitable for interior use and which is usually non-vitreous, and is not required nor expected to withstand excessive impact.

waterproof membrane

Building materials; Tiles

A membrane, usually made of built-up roofing, to provide a positive waterproof floor over the substrate, which is to receive a tile installation using a wire reinforced mortar ...