pneumonectomy(NOO-moh-NEK-toh-mee) Surgery to remove all of one lung. In a partial pneumonectomy, one or more lobes of a lung are removed.
Pneumonia(noo-MOH-nyuh) A severe inflammation of the lungs in which the alveoli (tiny air sacs) are filled with fluid.
pneumonitis(NOO-moh-NY-tis) Inflammation of the lungs. This may be caused by disease, infection, radiation therapy, allergy, or irritation of lung tissue by inhaled…
PNG (Portable Network Graphics)Portable Network Graphics (PNG) is an image format offering lossless compression and storage flexibility.
PNHParoxysmal nocturnal hemoglobinuria. A rare disorder in which red blood cells are easily destroyed by certain immune system proteins.
PNSPublic Information Statement - a narrative statement issued by a National Weather Service Forecast Office that can be used for: 1) A current or expected…
PNU 166148A substance that is being studied in the treatment of cancer. It belongs to the family of drugs called topoisomerase inhibitors.
PNU-93914A form of the anticancer drug paclitaxel that is contained in very tiny, fat-like particles.
PO(1) [Acquisition] Program Office. (2) Purchase Order.
POAPower of Attorney - formal assignment to another of the right to legally act on your behalf
POD(1) Plan of the Day. (2) Probability of Detection. (3) Port of Debarkation.
POD (Print On Demand)Document images are stored in electronic format and are available to be quickly printed and in the exact quantity required, long or short runs.
PoderAutorización para que una persona actúe como representante de otra.
podiatrist(puh-DY-uh-trist) A doctor who specializes in the care of the foot and ankle.
PODIUMProject Origination Design, Implementation and Maintenance.
POE(1) Program Office Estimate. (2) Projected Operating Environment.
POETA consortium of scientist and engineers from FFRDCs providing technical support to the MDA. (Formerly referred to as the Phase One Engineering Team.)
POHProbability of Hail - a product from the NEXRAD hail detection algorithm that estimates the likelihood that hail is present in a storm.
pointAn amount equal to one percent of the principal amount of a mortgage. Loan discount points are a one-time charge assessed at closing by the lender to…
point code (PC)A unique address code that identifies a service provider (SP) within a signaling network. [T1.234-1993]
Point CountThe total value of the count, positive or negative, at any given time.
Point DefenseThe defense or protection of special vital elements and installations; e.g., command and control facilities, air bases, etc.
Point Defense SystemA terminal defense system using radars and large numbers of guided projectiles to defend ICBMs. This concept was considered in the early 1980s.
Point DischargeInstantaneous rate of discharge, in contrast to the mean rate for an interval of time.
Point light sourceA light source that has no visible surface area, and appears as a point, such as a star.
Point mutationA change in a single base pair of a DNA sequence in a gene. (See Mutation.)
point of accessA subscriber's entrance to the telecommunications network. A logical view of this point of access has a relationship with the termination point as defined…
Point of diversionA specifically named place where water is removed from a body of water. The location of a surface water or groundwater extraction associated with a water…
point of interface (POI)In a telecommunications system, the physical interface between the local access and transport area (LATA) access and inter-LATA functions.
point of orderA claim made by a Senator from the floor that a rule of the Senate is being violated.
Point of Presence (POP)A remote location that provides network connectivity back to the core of the network for users within its service area.
Point of Sale (POS)1) The location at which a transaction takes place. 2) Systems that allow bank customers to effect transfers of funds from their deposit accounts and…
Point of Service (POS) PlansA type of plan in which you pay less if you use doctors, hospitals, and other health care providers that belong to the plan’s network.
point of termination (POT)The point of demarcation between (exchange) carriers that establishes the technical interface, test points, and division of operational responsibility.
point of trainIn infrared transmission systems, a steady infrared light that is used (a) to assist the transmitter in locating a receiving station and (b) for keeping…
Point PrecipitationPrecipitation at a particular site, in contrast to the mean precipitation over an area.
Point sourceAny discernible, confined, or discrete conveyance from which pollutants are or may be discharged, including, but not limited to, any pipe, ditch, channel…
Point source (emissions)A stationary location or fixed facility from which pollutants are discharged; any single identifiable source of pollution; e.g.
Point-Contact CellA high efficiency silicon photovoltaic concentrator cell that employs light trapping techniques and point-diffused contacts on the rear surface for…
point-in-polygonA topological overlay procedure which determines the spatial coincidence of points and polygons.
Point-of-Service Plan (POS)A type of managed care plan combining features of health maintenance organizations (HMOs) and preferred provider organizations (PPOs), in which…
point-to-multipoint connectionA distinctive type of multipoint connection, composed of a central connection endpoint (central CE) and other, peripheral, CEs, and in which data…
Point-to-PointDirect connection between the backplane and the storage device, allowing for the high-performance, full utilization of bandwidth.
point-to-point configurationA configuration where there are only two access points. [T1.620-1991] 2. A communication circuit having only two nodes.
point-to-point messaging systemA messaging system built on the concept of message queues. Each message is addressed to a specific queue; clients extract messages from the queues…
PointerA pointer is an index entry in the directory of a disc (or other storage medium) that identifies the space on the disc in which an electronic document or…
pointersA single octet that indicates the beginning of each mandatory variable parameter and optional part. [TI.110-1987]
PointingThe treatment of joints between bricks, stone, or other masonry components by filling with mortar; also, called tuck-pointing
PointsThe term points can mean different things in different contexts. With regard to stock, a point represents a $1 change in market price, so if a share of…
points (aka discount points)One point is equal to 1 percent of the principal amount of a mortgage loan. For example, if a mortgage is $200,000, one point equals $2,000.
Points (also called discount points)One point is equal to 1 percent of the principal amount of a mortgage loan. For example, if a mortgage is $200,000, one point equals $2,000.
Points and Origination FeesFees paid to the lender for the loan. One point equals 1 percent of the loan amount. Points are usually paid in cash at closing.
POISPatent Cooperation Treaty Operations Imaging System
poison message queueA persistent queue that isolates messages that are detected as potentially fatal to an Exchange Server 2007 server. This queue is typically empty.
poison queueQueue to isolate messages that are detected as potentially harmful to the Exchange 2007 system after a server failure.
Poison WordWords which were traditionally associated with low quality content that caused search engines to want to demote the rankings of a page.
Poisson distributionA mathematical statement of the probability that exactly k discrete events will take place during an interval of length t, expressed by where k is a…
polar bodiesIn female animals, the products of a meiotic division that do not develop into a functional ovum.
Polar BodyA polar body is a structure produced when an early egg cell, or oogonium, undergoes meiosis.
Polar Cap Absorption (PCA)In solar-terrestrial terms, an anomalous condition of the polar ionosphere whereby HF and VHF (3 - 300 MHz) radiowaves are absorbed, and LF and VLF (3 -…
Polar dayPolar day In polar regions, the portion of the year when the Sun is continuously in the sky.
Polar explorerPolar explorer A person working for a long time at one of the polar observing stations. Russian word is "polyarnik."
Polar FrontA semipermanent, semicontinuous front that separates tropical air masses from polar air masses.
Polar JetMarked by a concentration of isotherms and strong vertical shear, this jet is the boundary between the polar air and the subtropical air.
Polar Jet StreamUsed interchangably with Polar Jet; a jet stream marked by a concentration of isotherms and strong vertical shear, this jet is the boundary between the…