ExpertGlossary terms starting with O

1,317 terms

Outer Convective Band Bands in a hurricane that occur in advance of main rain shield and up to 300 miles from the eye of the hurricane.
Outer Lock Wall The wall on the river side of a lock.
Outer Space Treaty of 1967 A multilateral treaty signed and ratified by both the United States and the (former) Soviet Union.
Outflow The volume of growing cells that is removed from a bioreactor during a continuous fermentation process.
Outflow Boundary A storm-scale or mesoscale boundary separating thunderstorm-cooled air (outflow) from the surrounding air; similar in effect to a cold front, with passage…
Outflow Channel A natural stream channel which transports reservoir releases.
Outgassing The process by which materials expel or release gasses.
outgoing access The ability of a user to originate data calls via an ISDN. [T1.615-1992]
Outgoing Longwave Radiation Outgoing Longwave Radiation is a polar satellite derived measurement of the radiative character of energy radiated from the warmer earth surface to cooler…
outgoing mail database A file (Mail_.box) that temporarily stores outgoing mail that users create when not connected to a mail server.
Outlays Outlays are payments made (generally through the issuance of checks or disbursement of cash) to liquidate obligations.
Outlet An opening through which water can be freely discharged from a reservoir to the river for a particular purpose.
Outlet capacity The amount of water that can be safely released through the outlet works.
Outlet channel (exit channel) Channel downstream from terminal structure that conveys releases back to the "natural" stream or river.
Outlet Discharge Structure Protects the downstream end of the outlet pipe from erosion and is often designed to slow down the velocity of released water to prevent erosion of the…
Outlet Gate A gate controlling the flow of water through a reservoir outlet.
Outlet Works A combination of structures and equipment required for the safe operation and control of water released from a reservoir to serve various purposes, i.e.
Outlet works tower A tower within a reservoir that contains the mechanisms to open the entrance to the outlet works.
Outlook Ubiquitous Microsoft personal information management (PIM) program, which includes email, task management and a calendar.
Outlook Anywhere A feature that makes it possible for a user to access their Exchange Server mailbox from any workstation using the full Outlook client, regardless of the…
Outlook E-Mail Postmark A computational proof that Outlook applies to outgoing messages to help recipient messaging systems distinguish legitimate e-mail from junk e-mail.
Outlook Express Microsoft email client that has been included with a number of versions of Microsoft Windows through Windows XP.
Outlook features for Exchange Unified Messaging Software that is supplied with Outlook 2007 to render Exchange Server 2007 Unified Messaging (UM) voice messages.
Outlook Voice Access A feature that allows a Unified Messaging-enabled user to access their Microsoft Exchange Server mailbox over the telephone.
Outlook Web Access The Web browser interface to Exchange Server mailbox and public folder data. The Outlook Web Access client in Exchange Server 5.
Outlook Web Access Light A lightweight version of Outlook Web Access optimized for accessibility and compatibility with the widest array of browsers and operating systems.
Outlook Web Access Web Part A piece of the user interface (UI) in Outlook Web Access that can be hosted in iframes as part of other Web applications such as SharePoint Portal Server…
outpatient A patient who visits a health care facility for diagnosis or treatment without spending the night. Sometimes called a day patient.
Outpatient Surgery A surgical procedure in which the patient is not required to stay overnight in a hospital.
outpulsing The process of transmitting address information over a trunk from one switching center or switchboard to another.
output 1. Information retrieved from a functional unit or from a network, usually after some processing. 2. An output state, or sequence of states. 3.
output angle Synonym radiation angle.
output rating The expression of the stated power available at the output terminals of a transmitter when connected to the normal load or its equivalent. 2.
Outreach and Special Projects Staff (OSPS) The Outreach and Special Projects Staff (OSPS) serves to coordinate and implement for the Office of Solid Waste and Emergency Response (OSWER) the…
Outrun To beat. Example: "Susie outran my set when her flush card hit on the river."
Outside Air Air that is taken from the outdoors.
outside bend The outside line of a creek channel or grass bed. For underwater structure, it can also refer to the outside line of a submerged wash or arroyo.
Outside bet when a player bets with even money (for example black/red, high/low, odd/even) and the payout is 1:1
Outside Bets One of the 2-to-1 or even-money bets found on the outside of the roulette layout.
Outside Coil The heat-transfer (exchanger) component of a heat pump, located outdoors, from which heat is collected in the heating mode, or expelled in the cooling…
Outside Line Access Code The prefix that is used to access an outside line. This prefix is typically 9. [Exchange 2007]
outside plant 1. In telephony, all cables, conduits, ducts, poles, towers, repeaters, repeater huts, and other equipment located between a demarcation point in a…
Outside Threat An unauthorized entity from outside the domain perimeter that has the potential to harm an Information System through destruction, disclosure…
outsourcing process of contracting out certain activities of an organization
Outstanding balance The amount currently owed on a loan.
Outstanding Check A check written by a depositor that has not yet been presented for payment to or paid by the depositor's bank.
Outstanding shares The shares of stock that a corporation has issued and not reacquired are described as its outstanding shares.
outward dialing See direct outward dialing.
Outward investment U.S. residents' investment abroad.
Ovale See Plasmodium.
ovality The attribute of an optical fiber, the cross section of the core or cladding of which deviates from a perfect circle. 2.
OvaRex (OH-vuh-REX) A monoclonal antibody that is being studied in the treatment of ovarian cancer.
Ovarian (oh-VAYR-ee-un) Having to do with the ovaries, the female reproductive glands in which the ova (eggs) are formed.
ovarian ablation (oh-VAYR-ee-un a-BLAY-shun) Surgery, radiation therapy, or a drug treatment to stop the functioning of the ovaries. Also called ovarian suppression.
ovarian borderline malignant tumor (oh-VAYR-ee-un...muh-LIG-nunt poh-TEN-shul TOO-mer) A condition in which cells that may become cancer form in the thin layer of tissue that covers an…
ovarian cancer (oh-VAYR-ee-un KAN-ser) Cancer that forms in tissues of the ovary (one of a pair of female reproductive glands in which the ova, or eggs, are formed).
ovarian epithelial cancer (oh-VAYR-ee-un eh-pih-THEE-lee-ul KAN-ser) Cancer that occurs in the cells on the surface of the ovary. Also called epithelial ovarian cancer.
Ovarian follicle An external, fluid-filled portion of the ovary in which oocytes mature before ovulation.
ovarian germ cell tumor (oh-VAYR-ee-un jerm sel TOO-mer) An abnormal mass of tissue that forms in germ (egg) cells in the ovary (female reproductive gland in which the eggs are…
ovarian low malignant potential tumor (oh-VAYR-ee-un...muh-LIG-nunt poh-TEN-shul TOO-mer) A condition in which cells that may become cancer form in the thin layer of tissue that covers an…
ovarian suppression (oh-VAYR-ee-un suh-PREH-shun) Surgery, radiation therapy, or a drug treatment to stop the functioning of the ovaries. Also called ovarian ablation.
ovary (OH-vuh-ree) One of a pair of female reproductive glands in which the ova, or eggs, are formed.
OVC Overcast- An official sky cover classification for aviation weather observations, when the sky is completely covered by an obscuring phenomenon.
Oven dry See bone dry.
oven dry ton An amount of wood that weighs 2000 lb at 0% moisture content.
Oven dry ton (ODT) An amount of wood that weighs 2,000 pounds at zero percent moisture content.
Over Limit An open-end credit account in which the assigned dollar limit has been exceeded.
Over The Shoulder A version of elevation prompt that allows an administrator to enter administrative credentials to allow a process to run with the full access token of the…
over-fishing Fishing pressure beyond which a sustainable population of fish or stocking effort can be maintained.
over-the-air key distribution Providing electronic key via over-the-air rekeying, over-the-air key transfer, or cooperative key generation. [INFOSEC-99]
over-the-air key transfer Electronically distributing key without changing traffic encryption key used on the secured communications path over which the transfer is accomplished.
over-the-air rekeying (OTAR) Changing traffic encryption key or transmission security key in remote crypto -equipment by sending new key directly to the remote crypto-equipment over…
over-the-counter The over-the-counter (OTC) or unlisted market maintained by securities dealers for issues not listed on a stock exchange.
Over-the-counter (OTC) Securities that trade over-the-counter (OTC) are not listed on an organized stock exchange, such as the New York Stock Exchange (NYSE) or the NASDAQ Stock…
Over-the-Counter Drug You don't need a prescription to obtain over-the-counter drugs.
Over-the-Counter Drugs (OTC) FDA defines OTC drugs as safe and effective for use by the general public without a doctor's prescription.
over-the-horizon radar A radar system that makes use of the atmospheric reflection and refraction phenomena to extend its range of detection beyond line of sight.
Over-the-limit fee A fee charged if your account balance goes over your credit limit. You will not be charged this fee unless you have authorized your credit card company to…
overactive thyroid (... THY-royd) Too much thyroid hormone. Symptoms include weight loss, chest pain, cramps, diarrhea, and nervousness. Also called hyperthyroidism.
Overages The difference between the lowest available price and any higher price that the homebuyer agrees to pay for a loan.
Overall safety of dams classification One of the following classifications is assigned to a dam following an onsite examination and subsequent analyses using available data and…
overall survival rate (... ser-VY-vul ...) The percentage of people in a study or treatment group who are alive for a certain period of time after they were diagnosed with or…
Overamping Exceeding the rated capacity of a system.
Overbank deposits Fine-grained sediment (silt and clay) deposited from suspension on a floodplain by floodwaters from a stream channel.
Overbought When a stock or entire securities market rises so steeply in price that technical analysts think that buyers are unlikely to push the price up further…
Overbreak Moving or loosening of rock as a result of a blast, beyond the intended line of cut.
Overburden Soil or rock lying on top of a pay formation.
Overcall To call a bet after one or more others players have already called.
Overcard A card higher than any card on the board. For instance, if you have AQ and the flop comes J-7-3, you don't have a pair, but you have two overcards.
Overcast To cast a lure, fly or bait beyond the aimed-for target.
Overcollateralization The amount, if any, by which the aggregate outstanding principal balance of collateral exceeds the aggregate outstanding principal balance of the…
overdominance Where heterozygote performance is superior to that of either parental genotype.
overdose (OH-ver-DOHS) An amount of drug that is more than what should be taken at one time.
Overdraft When the amount of money withdrawn from a bank account is greater than the amount actually available in the account, the excess is known as an overdraft…
Overdraft Fee The fee that is charged an account holder for a check that is paid or honored when the available balance in the account is not sufficient to cover the…
Overdraft Protection A checking account feature in which money from another account in your name is used to cover the transaction(s) if you don't have enough money in your…
Overdraw To write a check for an amount that exceeds the amount on deposit in the account.
Overexcavation Excavation beyond specified or directed excavation. Removing unsuitable foundation material.
overexpress (OH-ver-ek-SPRES) In biology, to make too many copies of a protein or other substance.
overfill The condition that prevails when the numerical aperture of an optical source, such as a laser, light-emitting diode, or optical fiber, exceeds that of the…