Glossary A

Adhesive in relation to a stamp affixed to envelopes by means of gum on the reverse.However, some stamps are printed directly onto postcards, envelopes or wrappers.

Adapter revolves around many forms, but essentially it is a device that connects to or installs on your computer, adding a specific capability or feature. The most common example is a circuit board, such as a graphics card or a NIC, that installs into a PCI or another kind of expansion slot on a desktop computer's motherboard; it's also known as an expansion board.

AC means alternatiing current A short name for the standard 230 V 50 Hz (In US120-volt, 60-Hz cycle) household electricity.

Absorptive lens make reference to a filter lens designed to reduce the effects of glare, reflection, and stray light. Absorptive len is well known as sunglasses.

Abrasion resistance refers to resistance to being worn away by rubbing or friction. Abrasion resistance is a matter of toughness, rather than hardness. It is a necessary quality for floor finishes, enamels and varnishes.

Deutsch: Abalone / Español: Abulón / Português: Abalone / Français: Abalone / Italiano: Abalone /

Abalone is a mollusk that is a popular ingredient in Chinese dishes, particularly in Cantonese cooking. Abalone is a member of the genus Haliotis, which means sea ear, referring to the flat shell. It is available fresh, dried, or canned. In dried form it must be soaked for several days before using.

Asbestos-cement is characterized as a fire-resisting weatherproof building material made from Portland cement and asbestos. It is manufactured in various forms such as plain sheets, corrugated sheets, shingles, pipes, etc.

Anthrax is an acute infectious disease caused by a spore-forming bacterium called Bacillus anthracis. It is generally acquired following contact with anthrax-infected animals or anthrax-contaminated animal products.