ExpertGlossary terms starting with T

2,409 terms

transmission window Synonym spectral window. See window.
Transmissivity The rate at which water of the prevailing kinematic viscosity is transmitted through a unit width of the aquifer under a unit hydraulic gradient.
transmit To send a tax return to the IRS electronically. Tax returns prepared on paper can be sent through the mail.
transmit flow control In data communications systems, control of the rate at which data are transmitted from a terminal so that the data can be received by another terminal.
transmit objective loudness rating (TOLR) The ratio in dB of the sound pressure produced by a speaker to the voltage produced by a telephone and loop as defined by ANSI/IEEE 661-1997. [T1.255-1997]
transmit signal The signal sent across an interface la or lb from the associated equipment. [T1.408-1990]
transmit-after-receive time delay The time interval from removal of rf energy at the local receiver input until the local transmitter is automatically keyed on and the transmitted rf…
transmittal list A document that lists the records being transferred from one area to another Note: A transmittal list may also transfer legal responsibility for and the…
Transmittal Sheet (TS) The transmittal sheet is submitted with a reporter's data. The transmittal sheet includes the following information: reporter's HMDA ID number, regulatory…
transmittance The ratio of the transmitted power to the incident power. Note 1: In optics, transmittance is usually expressed as optical density or in percent.
Transmitter Sends the electronic return data directly to the IRS.
transmitter attack-time delay The interval from the instant a transmitter is keyed-on to the instant the transmitted radio frequency (rf) signal amplitude has increased to a specified…
transmitter central wavelength range (λtmax - λtmin) In optical communication, the total allowed range of transmitter central wavelengths caused by the combined worst-case variations due to manufacturing…
transmitter power output rating The power output of a radio transmitter under stated conditions of operation and measurement.
transmitter release-time delay The interval from the instant a transmitter is keyed-off to the instant the transmitted radio frequency (rf) signal amplitude has decreased to a specified…
transmitter-receiver pair A one-way 15-kHz program system comprised of a transmitting terminal connected via a DS1 digital link to a receiving terminal. [T1.305-1990]
transmultiplexer Equipment that transforms signals derived from frequency-division multiplex equipment, such as group or supergroups, to time-division-multiplexed signals…
Transmutation The transformation of one element into another by a nuclear reaction.
Transom 1. A horizontal bar of wood or stone across a window. 2. The cross-bar separating a door from the window, panel, or fanlight above it. 3.
Transom bar A horizontal element that subdivides an opening, usually between a door and window.
Transonic Of or pertaining to the speed of a body in a surrounding fluid when the relative speed of the fluid is subsonic in some places and supersonic in others.
Transparency Transparency is a measure of how much information you have about the markets where you invest, the corporations whose stocks or bonds you buy, or the…
transparent failover A client application that automatically reconnects to a new server without the user taking any action.
transparent interface An interface that allows the connection and operation of a system, subsystem, or equipment with another without modification of system characteristics or…
transparent IP failover Moving the IP address from one network interface card (NIC), in the same node or another node, to another NIC that is attached to the same IP subnet so…
transparent loopback A loopback in which the signal is transmitted beyond the loopback point (the forward signal).
transparent network See transparency.
transperineal biopsy (TRANZ-payr-uh-NEE-ul BY-op-see) A procedure in which a sample of tissue is removed from the prostate for examination under a microscope.
Transpiration The process by which water in plants is transferred into water vapor in the atmosphere. Evaporation of water through the leaves of plants.
transplant surgeon (TRANZ-PLANT SER-jun) A doctor who specializes in transplantation surgery. The surgeon replaces a patient's organ with an organ from another person.
Transplantation (tranz-plan-TAY-shun) The replacement of tissue with tissue from the person's own body or from another person.
Transplantation biology The science that studies the transplantation of organs and cells. Transplantation biologists investigate scientific questions to understand why foreign…
Transponder A receiver-transmitter that will generate a reply signal upon proper interrogation.
transport To move or be conveyed from one place to another. In the context of environmental contamination, a contaminant is transported from one location to another…
Transport capacity The capacity of a river to carry sediment in suspension or to move sediment along the riverbed. Usually expressed as mass per unit of time.
transport dumpster In Exchange Server 2007, a feature of the Hub Transport server role that is only enabled for cluster continuous replication (CCR).
Transport Layer See Open Systems Interconnection--Reference Model.
Transport Layer Security (TLS) A cryptographic protocol that provides security for communication over the Internet. Its predecessor is Secure Sockets Layer (SSL).
transport overhead The overhead added to the STS SPE (synchronous transport signal -- synchronous payload envelope) for transport purposes.
transport rule A concept that implements a single function point of a transport messaging policy.
Transport Rules agent An Exchange Server 2007 agent that enables organizations to apply compliance and policy based transport rules to e-mail messages that are sent to or…
Transport Wind The average wind over a specified period of time within a mixed layer near the surface of the earth.
transport-level security Uses transport-level security (TLS) mechanisms.
transportability In communications, the quality of equipment, devices, systems, and associated hardware that permits their being moved from one location to another to…
transportable station A station which is transferred to various fixed locations but is not intended to be used while in motion. [NTIA]
Transportation The means and aids for conveying people and goods. For example, resources describing roads, airports and airstrips, shipping routes, tunnels, railways and…
Transportation demand management strategies (TDM) TDM is a general term for strategies that result in more efficient use of transportation resources, including incentives to reduce driving, use…
Transportation Efficiency Act for the 21st Century (ISTEA/TEA-21) Federal legislation that encompasses all transportation regulation and funding (Inter-modal Surface Transportation Efficiency Act was the original title).
Transportation Efficiency Act for the 21st Century (TEA-21) Federal legislation that encompasses all transportation regulation and funding (Inter-modal Surface Transportation Efficiency Act was the original title).
Transportation sector Consists of private and public passenger and freight transportation, as well as government transportation, including military operations.
Transposable element A class of DNA sequences that can move from one chromosomal site to another.
Transposable genetic element See Transposon.
transposase An enzyme encoded by a that catalyses the movement of a DNA sequence to a different site in a DNA molecule.
transposition The movement of a DNA segment within the genome of an organism.
transposon Synonym of transposable genetic element.
Transposon (transposable, or movable genetic element) A relatively small DNA segment that has the ability to move from one chromosomal position to another.
transposon tagging A method of gene isolation that exploits the disruption of normal gene expression that is the result of an insertion of a transposon within, or close to…
transrectal biopsy (TRANZ-REK-tul BY-op-see) A procedure in which a sample of tissue is removed from the prostate using a thin needle that is inserted through the rectum and…
transrectal ultrasound (TRANZ-REK-tul UL-truh-SOWND) A procedure in which a probe that sends out high-energy sound waves is inserted into the rectum.
transsphenoidal surgery (TRANS-sfee-NOY-dul SER-jeh-ree) A type of surgery in which instruments are inserted into part of the brain by going through the nose and the sphenoid…
transurethral biopsy (TRANZ-yoo-REE-thrul BY-op-see) A procedure in which a sample of tissue is removed from the prostate for examination under a microscope.
transurethral needle ablation (TRANZ-yoo-REE-thrul NEE-dul a-BLAY-shun) A procedure that is used to treat benign prostatic hypertrophy (BPH).
transurethral radiofrequency ablation (TRANZ-yoo-REE-thrul RAY-dee-oh-FREE-kwen-see a-BLAY-shun) A procedure that is used to treat benign prostatic hypertrophy (BPH).
transurethral resection (TRANZ-yoo-REE-thrul ree-SEK-shun) Surgery performed with a special instrument inserted through the urethra. Also called TUR.
transurethral resection of the prostate (TRANZ-yoo-REE-thrul ree-SEK-shun ... PROS-tayt) A surgical procedure to remove tissue from the prostate using an instrument inserted through the urethra.
transvaginal sonography (tranz-VA-jih-nul soh-NAH-gruh-fee) A procedure used to examine the vagina, uterus, fallopian tubes, ovaries, and bladder.
transvaginal ultrasound (tranz-VA-jih-nul UL-truh-SOWND) A procedure used to examine the vagina, uterus, fallopian tubes, ovaries, and bladder.
Transversale French term for a Three-Number Bet or Street Bet. Also called a Triple or Trio Bet.
Transverse Pertaining to or extending along the short axis, or width, of a structure. Perpendicular to or across the long axis, or length, of a structure.
Transverse Bands Bands of clouds oriented perpendicular to the flow in which they are embedded. They often are seen best on satellite photographs.
transverse electric (TE) mode A mode whose electric field vector is normal to the direction of propagation. Note: TE modes may be useful modes in waveguides.
transverse electric and magnetic (TEM) mode A mode whose electric and magnetic field vectors are both normal to the direction of propagation.
transverse magnetic (TM) mode A mode whose magnetic field vector is normal to the direction of propagation. Note: TM modes may be useful in waveguides.
transverse offset loss Synonym lateral offset loss.
transverse parity check A parity check performed on a group of binary digits recorded on parallel tracks of a data medium, such as a magnetic disk, tape, drum, or card.
transverse redundancy check (TRC) In synchronized parallel bit streams, a redundancy check (a) that is based on the formation of a block check following preset rules, (b) in which the…
transverse resolution In a facsimile receiver, the dimension that (a) is perpendicular to a scanning line and (b) is the smallest recognizable detail of the image produced by…
Transverse Rolls Elongated low-level clouds, arranged in parallel bands and aligned parallel to the low-level winds but perpendicular to the mid-level flow.
transversion The substitution in DNA or RNA of one purine by a pyrimidine or vice versa. See: transition, base substitution.
TRAP Tactical Receiver and Related Applications.
Trap Door A hidden software or hardware mechanism that permits system security mechanisms to be circumvented.
trapdoor 1. A hidden software or hardware mechanism, usually created for testing and troubleshooting, that may be used to circumvent computer security. [2382-pt.
Trapezoidal error A change in the angle of a recorded helical scan track. Can result in mistracking.
Trapezoidal weir. See Cipolletti weir.
trapped electromagnetic wave An electromagnetic wave that enters a layer of material that is surrounded on both sides by a layer of material of a lesser refractive index such that, if…
trapped mode Synonym bound mode.
trapped ray Synonym guided ray.
Trapper A valley or basin in which cold air becomes trapped or pooled.
Trash Rack A screen located at an intake to prevent the ingress of debris.
Trash rake A device that is used to remove debris which has collected on a trashrack to prevent blocking the associated intake.
Trashrack A metal or reinforced concrete structure placed at the intake of a conduit, pipe, or tunnel that prevents entrance of debris over a certain size.
Trashrake A device that is used to remove debris which has collected on a trashrack to prevent blocking the associated intake.
Traslado de jurisdicción El traslado de un juicio a otra jurisdicción por razones legales.
trastuzumab (tras-TOO-zuh-mab) A monoclonal antibody that binds to HER2 (human epidermal growth factor receptor 2), and can kill HER2-positive cancer cells.
Trauma (TRAW-muh) Injury to the body, or an event that causes long-lasting mental or emotional damage.
Traumeel S A substance that contains minerals and extracts of 14 plants, including belladonna, arnica, St. John's wort, and Echinacea.
Travel agent The individual who sells travel services, issues tickets and provides other travel services to the travel services to the traveler sat the retail level.
Travel Industry Association of America (TIA) The non-profit umbrella trade organization of companies and government agencies representing all segments of the travel industry formed to promote travel…
Travel Time Time measured from the start of a dam breach to flooding at a particular location.
Traveling Grate A furnace grate that moves fuel through the combustion chamber.