extracranial germ cell tumor(EK-struh-KRAY-nee-ul jurm sel TOO-mer) A rare cancer that forms in germ cells in the testicle or ovary, or in germ cells that have traveled to areas of…
extract(EK-strakt) In medicine, a preparation of a substance obtained from plants, animals, or bacteria and used as a drug or in drugs.
ExtractionThe process of converting a captured biometric sample into biometric data so that it can be compared to a reference.
extraction resistance[The] capability of crypto-equipment or secure telecommunications equipment to resist efforts to extract [the] key. [INFOSEC-99]
extractivesAny number of different compounds in biomass that are not an integral part of the cellular structure.
ExtraditionThe surrender of an accused criminal by one state to the jurisdiction of another.
ExtradosThe curved upstream surface of horizontal arch elements in an arch dam. See intrados.
Extraembryonic tissuesIntrauterine tissues that support the embryo's placenta, umbilical cord, and amniotic sac.
extragonadal germ cell tumor(EK-struh-go-NA-dul jurm sel TOO-mer) A rare cancer that develops in germ cells that are found in areas of the body other than the ovary or testicle (such…
extrahepatic(EK-struh-heh-PA-tik) Located or occurring outside the liver.
extrahepatic bile duct(EK-struh-heh-PA-tik BILE dukt) The part of the common hepatic bile duct (tube that collects bile from the liver) that is outside the liver.
extrahepatic bile duct cancer(EK-struh-heh-PA-tik BILE dukt KAN-ser) A rare cancer that forms in the part of the bile duct that is outside the liver.
extranetAn Internet based access method to a corporate intranet site by limited or total access through a security firewall.
extranodal(EK-stuh-NOH-dul) Refers to an area or organ outside of the lymph nodes.
extranuclear genesGenes residing elsewhere than in the nucleus (e.g. in mitochondria, chloroplasts or plastids).
extraocular(EK-struh-AH-kyoo-ler) Located outside the eye.
Extraordinary Medical BenefitsThis coverage pays when medical and rehabilitation expenses exceed $100,000. It provides a maximum of $1 million of coverage.
extraosseous(EK-struh-AH-see-us) Located outside of the bone.
extrapleural pneumonectomy(EK-struh-PLOOR-ul NOO-moh-NEK-toh-mee) Surgery to remove a diseased lung, part of the pericardium (membrane covering the heart), part of the diaphragm…
ExtrapolateTo create new information based on what is already there.
ExtrapolationEstimation of unknown values by extending or projecting from known values.
Extraterrestrial RadiationThe theoretically-calculated radiation flux from the sun at the top of the atmosphere, before losses by atmospheric absorption.
ExtratropicalA term used in advisories and tropical summaries to indicate that a cyclone has lost its "tropical" characteristics.
Extratropical CycloneA cyclone in the middle and high latitudes often being 2000 kilometers in diameter and usually containing a cold front that extends toward the equator for…
Extratropical LowA low pressure center which refers to a migratory frontal cyclone of middle and higher latitudes.
extravasation(ek-STRA-vuh-SAY-shun) The leakage of blood, lymph, or other fluid, such as an anticancer drug, from a blood vessel or tube into the tissue around it.
extreme event timeThe time of extreme meteorological events such as min/max temperature and wind gusts.
Extreme Ultraviolet (EUV)A portion of the electromagnetic spectrum from approximately 100 to 1000 angstroms.
Extreme Wind WarningExtreme Wind Warning (EWW) inform the public of the need to take immediate shelter in an interior portion of a well-built structure due to the onset of…
exudeSlowly discharge liquid material (such as tannins or oxidized polyphenols from plant material) through pores or cuts, or by diffusion into the medium.
EyeThe relatively calm center in a hurricane that is more than one half surrounded by wall cloud.
eye cancer(I KAN-ser) Cancer that forms in tissues of and around the eye. Some of the cancers that may affect the eye include melanoma (a rare cancer that begins in…
Eye in the SkyThe video camera above the casino floor which is used to watch the dealers and players to catch cheating.
eye patternAn oscilloscope display in which a pseudorandom digital data signal from a receiver is repetitively sampled and applied to the vertical input, while the…
Eye WallIt is an organized band of cumuliform clouds that immediately surrounds the center (eye) of a hurricane.
Eyebrow dormerA curved dormer with no sides, covered by a smooth protrusion from the sloping roof.
eyeletsThe eyelets are the line guides or rings on a fishing rod through which line is passed.
eyes onlyA message marker for a special-category message that is intended for delivery only to a specific person, or authorized representative of that person, and…
Eyewall / Wall CloudAn organized band or ring of cumulonimbus clouds that surround the eye, or light-wind center of a tropical cyclone.