ExpertGlossary terms starting with V

773 terms

vocabulary All of the values associated with documents in a workspace. These may include property values, document profiles, categories, and other keywords.
Vocabulary (of a graph) Set of classes and properties which occur as the subject, predicate or object of any triple in an RDF graph.
vocal cord (VOH-kul kord) One of two small bands of muscle within the larynx that vibrates to produce the voice.
vocoder Abbreviation for voice-coder. A device that usually consists of a speech analyzer, which converts analog speech waveforms into narrowband digital signals…
VOD Video On Demand. A previously recorded media stream that users can request at a time most convenient to them.
vodas Acronym for voice-operated device anti-sing. A device used to prevent overall voice-frequency singing in a two-way telephone circuit by ensuring that…
vogad Acronym for voice-operated gain-adjusting device. A device that has a substantially constant output amplitude over a wide range of input amplitudes.
voice band Synonym voice frequency.
voice box The area of the throat containing the vocal cords and used for breathing, swallowing, and talking. Also called larynx.
Voice broker A trading intermediary matching buyers and sellers using traditional telephone confirmation.
voice coder See vocoder.
voice frame A UIH (unnumbered information with header check) frame that contains a voice packet in its information field. [T1.312-1991]
voice frequency (VF) Pertaining to those frequencies within that part of the audio range that is used for the transmission of speech.
voice frequency (VF) primary patch bay A patching facility that provides the first appearance of local-user VF circuits in the technical control facility (TCF).
voice frequency carrier telegraph (VFCT) Synonym voice-frequency telegraph.
voice grade In the public regulated telecommunications services, a service grade that is described in part 68, Title 47 of the Code of Federal Regulations [CFR].
voice information field The field within a voice packet that contains blocks arranged according to the significance of the bits: the first block contains the most significant…
voice mail A system that records and stores telephone messages in a user mailbox. [Exchange 2007]
voice message An electronic message with a primary content of digitized audio. [Exchange 2007]
voice message originator An e-mail address that is used on call answering messages. The voice message originator is used as the "From" field for Unified Messaging messages and is…
voice operated relay circuit Synonym vox.
voice operated transmit Synonym vox.
Voice Recognition See speaker recognition.
voice vote A vote in which the Presiding Officer states the question, then asks those in favor and against to say "Yea" or "Nay," respectively, and announces the…
voice-data signal See quasi-analog signal.
voice-frequency (VF) channel A channel capable of carrying analog and quasi-analog signals.
voice-frequency telegraph (VFTG) A method of multiplexing one or more dc telegraph channels onto a nominal 4-kHz voice frequency channel. Synonym voice frequency carrier telegraph.
voice-operated device anti-sing See vodas.
voice-operated gain-adjusting device See vogad.
voice-plus circuit Synonym composited circuit.
Void Invalid; a void agreement is one for which there is no remedy.
void context A form of "scalar context" in which an "expression" is not expected to return any "value" at all and is evaluated for its "side effects" alone.
Void ratio The ratio of the volume of void space to the volume of solid particles in a given soil mass.
Voidable Capable of being declared invalid; a voidable contract is one where a person may avoid an obligation, as a contract between an adult and a minor.
VoIP (Voice over Internet Protocol) Telephonic capability across an IP connection; increasingly used in place of standard telephone systems.
VoIP (Voice over IP) The practice of using an IP data network to transmit voice calls. [Exchange 2007]
VoIP gateway A computer device that converts between circuit switch telephony protocols and VoIP protocols. [Exchange 2007]
Voir dire The preliminary examination made in court of a witness or juror to determine his/her competency or interest in a matter. Literally, to speak the truth.
Voisins du Zero French phrase. Common in European casinos. It's a bet on a specific group of numbers on a section of the roulette wheel neighbouring the zero.
volatile A solid or liquid material that easily vaporizes.
volatile matter Those products, exclusive of moisture, given off by a material as a gas or vapor, determined by definite prescribed methods that may vary according to the…
Volatile organic compound (VOC) Any organic compound that participates in atmospheric photochemical reactions except those designated by the EPA as having negligible photochemical…
Volatile organic compounds (VOC) Non-methane hydrocarbon gases. Released during combustion or evaporation of fuel.
Volatile organic compounds (VOCs) Organic compounds that evaporate readily into the atmosphere at normal temperatures.
volatile storage A storage device in which the contents are lost when power is removed.
Volatiles Substances that are readily vaporized.
Volatility The term volatility indicates how much and how quickly the value of an investment, market, or market sector changes.
volatilization The conversion of a solid or liquid into a gas or vapour.
Volcanic Ash Consists of rock, mineral, and volcanic glass fragments smaller than 2 millimeters (mm) (0.
Volcanic chain A linear sequence of volcanoes that occurs within a tectonic plate. As the plate moves over a stationary hot spot, new volcanoes are created.
Volcanic cone A landform built by the material ejected from a volcanic vent and piled up around the vent in the shape of a cone with a central crater.
Volcanic rock Rock that forms from the solidification of molten rock or magma at the earth's surface (extrusive igneous rock).
Volcanic vent The opening at the Earth's surface through which volcanic materials issue forth.
Volcanic-rock aquifer See Aquifer-volcanic rock
Volcanism The process by which magma and associated gases rise to the Earth's crust and are extruded, or expelled, onto the surface and into the atmosphere.
Volcano A vent (opening) in the surface of the Earth through which magma erupts. It is also the landform that is constructed by the erupted material.
Volcanoclastic rock Sedimentary rocks such as sandstones formed by the aggregation of rock fragments (clasts) of volcanic origin.
volociximab (voh-loh-SIK-sih-mab) A monoclonal antibody that is being studied in the treatment of some types of cancer.
Volt A unit of electrical force equal to that amount of electromotive force that will cause a steady current of one ampere to flow through a resistance of one…
Volt (V) The unit of measurement of electromotive force. It is equivalent to the force required to produce a current of 1 ampere through a resistance of 1 ohm.
Volt-Ampere A unit of electrical measurement equal to the product of a volt and an ampere.
Volt-ampere (VA) A unit of apparent power in an ac circuit containing reactance. It is equal to the potential in volts multiplied by the current in amperes, without taking…
Volt-amperes reactive (VARS) The unit of measure for reactive power.
Voltage The amount of electromotive force, measured in volts, that exists between two points.
Voltage (E) Electrical pressure, i.e. the force which causes current to flow through an electrical conductor.
voltage rating The highest voltage that can be applied to a wire or conductor in conformance with standards.
Voltage reduction Any intentional reduction of system voltage by 3 percent or greater for reasons of maintaining the continuity of service of the bulk electric power supply…
voltage standing wave ratio (VSWR) In a transmission line, the ratio of maximum to minimum voltage in a standing wave pattern.
Voltaren (vol-TAYR-en) A drug that is used to treat the symptoms of rheumatoid arthritis and is being studied in the prevention and treatment of some types of skin…
Voltaren gel (vol-TAYR-en JEL) The gel form of a drug that is used to treat the symptoms of rheumatoid arthritis and is being studied in the prevention and treatment…
Volume Volume is the number of shares traded in a company's stock or in an entire market over a specified period, typically a day.
Volume Boot Sector When a partition is formatted to create a volume, a volume boot sector is created to store information about the volume.
volume copy A way of copying both data in the active file system and data in snapshots from one volume to another. Implemented using the volcopy command.
volume group In LVM, a set of physical volumes such that logical volumes can be defined within the volume group for user access.
Volume incentive See override.
volume master key An advanced encryption standard (AES) 256-bit key that is used by BitLocker Drive Encryption to encrypt the full volume encryption key.
Volume of Concrete The total space occupied by concrete forming the dam structure computed between abutments and from the top to the bottom of the dam.
Volume of dam The total space occupied by the materials forming the dam structure computed between abutments and from the top to the bottom of the dam.
Volume purchase The purchase of large quantities of a product or service.
Volume Scan A radar scanning strategy in which sweeps are made at successive antenna elevations (i.e.
volume unit (vu) A unit of measurement of the power of an audio-frequency signal, as measured by a vu meter.
Volume Velocity Processing A way to guess the large-scale 2-dimensional winds, divergence and fall speeds from one-dimensional radial velocity data.
Volumetric risk The effect on revenue of fluctuations in demand for a product or service.
Volumetric shrinkage The decrease in volume, expressed as a percentage of the soil mass when dried, of a soil mass when the moisture content is reduced from a given percentage…
Voluntary bankruptcy A proceeding by which a debtor voluntarily asks for a discharge of his/her debts under the Bankruptcy Code.
voluntary compliance A system of compliance that relies on individual citizens to report their income freely and voluntarily, calculate their tax liability correctly, and file…
voluntary filing A bankruptcy case that the debtor initiates.
Voluntary initiatives Initiatives within the tourism industry are not legally required or binding.
Voluntary Observing Ship Program (VOS) - An international voluntary marine observation program under the auspices of the World Meteorological Organization (WMO).
Voluntary relinquishment To voluntarily relinquish possession with the intent of terminating ownership, but without vesting it in any other person.
Voluntary Service Program An organized project that a religious or nonprofit charitable organization does to provide help to the poor or needy or to further a religious or…
voluntary transfer A transfer of a debtor's property with the debtor's consent.
Volunteer Deputy Registrar Volunteer Deputy Registrars are entrusted with the responsibility of officially registering voters in the State of Texas.
Volunteer Income Tax Assistance (VITA) This provides free income tax return preparation for certain taxpayers. The VITA program assists taxpayers who have limited or moderate incomes, have…
Volute A carved spiral form in classical architecture; often used in pairs as in the capitals of Ionic columns.
vomit To eject some or all of the contents of the stomach through the mouth.
von Hippel-Lindau syndrome A rare inherited disorder in which blood vessels grow abnormally in the eyes, brain, spinal cord, adrenal glands, or other parts of the body.
voriconazole A drug that treats infections caused by fungi.
vorinostat (vor-IN-oh-stat) A drug that is used to treat cutaneous T-cell lymphoma that does not get better, gets worse, or comes back during or after treatment with…
vorozole A hormone therapy drug used to decrease the production of estrogen.