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As our industry changes we are constantly encountering new terms and concepts. We add them here to help you stay current on industry lingo.
If you encounter a new term that does not appear here, please Contact Us so that we can research and add it.
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A high-speed digital data channel. A T1 channel has a data rate of 1.544 Mbs and is often used for compressed video teleconference networks. ...
| | 9.21.01
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A transmission system that provides high-speed
digital communication (1.544 million bits per second) of voice and data
signals simultaneously by combining (multiplexing) 24 channels together
into a continuous stream. AT&T term for a digital carrier fa...
| | 7.20.01
|
This small tension/compression apparatus can be used for low cycle fatigue and standard uniaxial testing of small or thin specimens. Manufactured by Instron.
...
| | 8.7.03
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In reference to security systems: the action whereby one person enters an area using their security code/card, and another person comes in with them without entering their own security code. A common and easy way to defeat a security system. Persons must ...
| | 11.17.03
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A location where many storage tanks are kept for holding liquids, usually chemicals or waste....
| | 6.12.06
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See Terminal Access Point. ...
| | 7.20.01
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See To Be Determined.
...
| | 7.29.03
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See Transmission Control Protocol/Internet Protocol....
| | 11.29.06
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Telecommunication Devices for the Deaf....
| | 7.20.01
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See Total Dissolved Solids. ...
| | 7.20.01
|
In roofing terminology, the maximum
force required to tear a material. The force acts substantially parallel
to the major axis of the test specimen. Values are reported in stress
(e.g., pounds) or stress per unit of thickness (e.g., pounds per inch)....
| | 7.20.01
|
Those portions of the project manual that describe the scope of work, materials and procedures required of the various trades whose work makes up the construction of a project. See also Specifications....
| | 9.24.07
|
A grid-type acoustical ceiling tile in
which the edges of the tile drop below the grid....
| | 7.20.01
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Older industrial and office buildings that are transformed into giant wire warehouses, full of circuits for fast-growing telecommunications and Internet companies that are racing to set up their networks. (Boston Business Journal, 1999)...
| | 7.25.01
|
A working style where employees work at home or in satellite offices but are linked to their companies by telephone, modem, personal computer and scheduled company interaction. See also Virtual Office, Alternative Officing, and Hoteling....
| | 7.25.01
|
A conference held between people in two or more remote locations through the use of electronic communications technology. Includes video conferencing, audio conferencing, audiographic conferencing, and business television. Video conferencing provides imag...
| | 7.27.01
|
A device to link three or more telephone channels for a teleconference. The term usually refers to a bridge from which the operator "dials up" each participant. See also Bridge, Dial-In/Dial-Out Bridge, Meet-Me Bridge, and Operator-Assisted Bridge....
| | 7.27.01
|
Refers to the use of a standard
touch-tone telephone to dictate messages to an administrative center for
document creation and electronic revision. Typically, the dictation
receiver is a central tape recording device controlled (cue, review,
stop, play an...
| | 7.20.01
|
A managed satellite ground station site
consisting of a large number of clustered satellite ground stations
linked by cable and switchgear to large-scale telecommunications users,
such as banks, insurance companies, brokerage firms and news
organizations....
| | 7.20.01
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A facility protected from electromagnetic emanations by tempest shielding, which generally consists of copper or steel sheets and electronic filters....
| | 1.8.07
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Resistance of a material to a force that tends to pull it apart, usually expressed as the measure of the largest force that can be applied in this way before the material breaks apart....
| | 8.14.06
|
Two to the 40th power (1,099,511,627,776) bytes. This is approximately one trillion bytes.
...
| | 2.3.05
|
The point on a
broadband network where network devices such as computers are connected....
| | 7.20.01
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See Thermal Energy Storage
...
| | 7.29.03
|
A unit of magnetic flux density equal to one weber per square meter. One weber per square meter. 1 T = 1 Wb/m 2 = 10,000 gauss....
| | 6.1.06
|
Signed in 1956 by 12 nations, it stipulates that no one will own Antarctica and that the continent will not be used for military purposes nor will its mineral resources be exploited. Notwithstanding that agreement, seven of the signing nations (Argentina,...
| | 9.22.03
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See Hot Wire Anemometry....
| | 7.26.01
|
Also called Solar Chimney. A
passive, double-chambered device that draws warm air out of a facility.
The inside chamber is open to a high point in a facility. The outside
surface is painted a dark color; when the sun beats on this surface the
air insi...
| | 10.17.05
|
The thermal cycler (also known as a thermocycler, PCR machine or DNA amplifier) is a laboratory apparatus used for PCR. The device has a thermal block with holes where tubes with the PCR reaction mixtures can be inserted. The cycler then raises and lowers...
| | 12.19.07
|
The temporary storage of
energy for later use. Examples of thermal storage are the storage of
solar energy for night heating, the storage of summer heat for winter
use, the storage of winter ice for space cooling in the summer and the
storage of heat ...
| | 7.29.03
|
The outer shell or the elements of a building through which thermal energy may be transferred to or from the outdoors. Also called Building Envelope....
| | 10.24.06
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An index of a material's resistance to heat flow (R). It is the reciprocal of thermal conductivity (k) or thermal conductance (C). The formula for thermal resistance is: R = 1/C or R = 1/k or R = thickness in inches/k....
| | 9.4.07
|
The stress-producing phenomenon resulting from sudden temperature drops in a roof membrane when, for example, a rain shower follows brilliant sunshine. This is also an issue in vivarium washrooms when very hot wash water is dumped into an epoxy lined pit ...
| | 9.21.01
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A thermoelectric wire used to accurately measure temperature.
...
| | 6.25.04
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A strategic arrangement of a wide variety of functions that, when layered and triangulated, reinforce each other's vibrancy and result in the possibility of a large number of interaction opportunities....
| | 2.27.08
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In manufacturing, a long tube that is lowered
into a bin or vat of material to take a sample....
| | 7.20.01
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In a thin-client client/server environment, most of a software application's logic runs on a server computer. The client software is usually very generic and can be used for many purposes and applications, such as a Web browser.
...
| | 6.30.03
|
The concentration of an airborne substance that indoor workers may be exposed to repeatedly without adverse effects....
| | 7.11.07
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A measurement concept suggesting that problems have minimum and maximum thresholds of solutions. Once the requirements of a problem are defined and a set of alternatives is laid out, there is a minimum threshold (for example a minimum amount of dollars) t...
| | 2.27.08
|
The number of tasks accomplished per hour. Used to define the productivity of a system....
| | 2.27.08
|
Buildings utilizing a tilt-up wall construction with concrete walls cast on the floor and then lifted into place. This type of construction is economical for one- and two-story buildings with more than 8,000 square feet of first-floor area....
| | 10.26.07
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Part of the 1986 Superfund and Amendments
and Reauthorization Act (SARA). Title III establishes new requirements
for emergency planning and preparedness, community right-to-know
reporting and toxic chemical inventory and release reporting. See also
SARA....
| | 7.20.01
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See Threshold Limit Value....
| | 7.11.07
|
The acronmym used when an arithmetic figure is yet to be determined.
...
| | 7.29.03
|
A sequence of binary code (bits) passed from
one device to another along a network....
| | 7.20.01
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A circulating electronic token in local
area networks for determining which computer can transmit....
| | 7.20.01
|
Conventional nanoscale fabrication with many production steps involving depositing unstructured layers and then patterning them by removing most of the deposited films.
...
| | 9.13.04
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The physical arrangement of wires and hardware to form a network. In centralized networks or star networks each node is connected to a central node. Alternative topology is distributed within limits, every node is connected to every other node (called a m...
| | 10.5.07
|
All material that passes the standard glass river filter. Also called total filtrable residue. The term is used to reflect salinity....
| | 6.19.07
|
Hazardous chemicals such as chlorine, ammonia, and cyanide that are transported through populated areas. These chemicals are not only hazardous in the event of spills, but can be easily acquired by terrorists for terrorism.
...
| | 7.29.03
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A material's ability to produce injury or disease from exposure, ingestion, inhalation or assimilation by a living organism....
| | 4.12.07
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A science that deals with poisons and their effect on living organisms, with substances otherwise harmless that prove toxic under particular conditions, and with the clinical, industrial, legal, or other problems involved.
...
| | 8.1.03
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Any toxic substance that can be produced by an animal, plant or microbe. Toxins used in biomedical research can be hazardous and require containment. Toxins can be used as biological weapons. Toxins do not reproduce and therefore would have to be produ...
| | 3.6.03
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Science that encompasses more than one formal branch of science; a research project that uses microbiology and biochemistry....
| | 7.29.03
|
A secretarial station,
surrounded by a modular wall approximately 40 inches high and topped by
a horizontal desktop surface about 16 inches wide, upon which people can
put papers instead of putting them directly on the worker's desk. The
idea is to pr...
| | 10.7.05
|
A device that connects a network device such as a terminal or a computer and the transmission medium of the network--the physical cable--whether twisted-pair or coaxial. Also called an NIU (Network Interface Unit)....
| | 9.21.01
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Organism that contains genetic materials introduced through recombinant DNA techniques. Usually implies that organism contains DNA from another organism.
...
| | 10.11.04
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Animals that carry in their genes genetic material (DNA) transplanted from the genes of another animal. Because of their value and because they may have immunodeficiencies, these animals need special environmental conditions to protect them from disease....
| | 9.10.01
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An area that is a combination of open- and closed-plan offices. It is partially surrounded by enclosed offices with full-height walls, and within it are small areas of open-plan offices....
| | 10.11.06
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The translation of laboratory findings into clinical investigations and the transfer of clinical observations to the laboratory.
...
| | 6.21.04
|
Glazing materials that transmit light without permitting a view through the material, such as opaque and surface-treated glasses, diffusing and patterned plastics and glasses, corrugated plastics and glasses and diffusing glass block. The amount of light ...
| | 10.5.07
|
A networking protocol with broad support deriving from its ability to connect disparate hosts. (Webster's New World Dictionary of Computer Terms copyright 1994 Simon & Schuster Inc.)...
| | 9.10.01
|
A type of microscope that uses magnetic lenses to transmit a beam of electrons through an object; the electrons are then focused on a fluorescent screen to form an enlarged image.
A Transmission Electron Microscope (TEM) passes the electron beam throug...
| | 2.3.04
|
The process of the absorption of water by plants, usually through the roots, the movement of water through plants, and the loss of the water to the atmosphere through small openings on the underside of leaves called stomata. Transpiration is one of the pr...
| | 3.7.05
|
The electronic repeater on board a
communication satellite that receives the uplink signal and retransmits
it to the downlink. See also Uplink....
| | 7.20.01
|
A site where hazardous wastes (liquid, solid or gas) are treated, stored or disposed of. TSDFs are regulated by the EPA and by RCRA....
| | 9.4.07
|
An absorption chilling unit that would use waste heat available from a cogeneration system in the summer months to provide chilled water. The distributive mains deliver this and also connect together several new and existing chilled water systems providin...
| | 7.14.05
|
A framework for measuring corporate performance in relation to economic, social, and environmental parameters.
...
| | 3.7.05
|
A passive heating concept. Solar
radiation is absorbed by a glass-covered masonry wall, converted into
heat and conducted into a building....
| | 9.14.05
|
See Treatment, Storage and Disposal Facility....
| | 7.20.01
|
The color (technically speaking, the wavelength) of a laser beam can be changed as needed. Typically a tunable laser has a certain spectral range over which it operates, for example a NaCl laser can be made to lase over the spectral region from 1450nm to ...
| | 3.14.03
|
A large fixed, double-doored piece of equipment used in research and animal facilities that washes, rinses and dries cages, trays, lids, glassware and other small items. It differs from a rack washer in that it contains a conveyor belt that transports equ...
| | 4.13.06
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Refers to the degree of cloudiness of water caused by the presence of suspended silt or organic matter....
| | 1.23.06
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Public sector construction
method in which the builder buys a site, builds a structure privately
and sells it back....
| | 7.20.01
|
Columns that drop down from a ceiling and act as chases to hold utility services....
| | 1.22.04
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A typical telephone transmission
circuit. In some applications, a two-wire system requires voice
switching to avoid electrical echo and leakage and, thus, a four-wire
system is preferable. See Four-Wire Circuit....
| | 7.20.01
|
Tyvek® is a brand name for a material made by Dupont. This material has widespread usage throughout the construction industry. However, in cleanroom, animal care, and hazardous operations, this term is commonly used to describe the disposable ga...
| | 7.29.03
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