ExpertGlossary terms starting with E

2,146 terms

  1. EPT Treatment that generates electrical pulses through an electrode placed in a tumor to enhance the ability of anticancer drugs to enter tumor cells.
  2. EPV Equivalent Potential Vorticity
  3. EQEC EurQuantum Electronics Conference (See CLEO).
  4. equal access costs Include only initial incremental presubscription costs and initial incremental expenditures for hardware and software related directly to the provision of…
  5. Equal Credit Opportunity Act A federal law prohibiting lenders and other creditors from discrimination based on race, color, sex, religion, national origin, age, marital status…
  6. Equal Credit Opportunity Act (ECOA) Prohibits creditors from discriminating against credit applicants on the basis of race, color, religion, national origin, sex, marital status, age, or…
  7. Equal Error Rate (EER) A statistic used to show biometric performance, typically when operating in the verification task.
  8. equal gain combiner A diversity combiner in which the signals on each channel are added. Note: The channel gains can be made to remain always and everywhere equal so that the…
  9. Equal Level Echo Path Loss The term "Equal Level Echo Path Loss" (ELEPL) denotes the measure of Echo Path Loss (EPL) at a 4-wire interface which is corrected by the difference…
  10. Equal protection This refers to the notion, grounded in the U. S. Constitution, that no person or class of persons be denied the same protection of the laws which is…
  11. Equal Protection of the Law The guarantee in the Fourteenth Amendment to the U.S. Constitution that all persons be treated equally by the law.
  12. equal-length code A telegraph or a data code in which (a) all the words or code groups are composed of the same number of unit elements, (b) each element has the same…
  13. equal-level patch bay An analog patching facility at which all nominal input and output voice frequency levels are uniform.
  14. equalization The maintenance of system transfer function characteristics within specified limits by modifying circuit parameters.
  15. Equalized When the inner liner of a tire loses air pressure and that pressure becomes the same as that within the outer tire, creating a vibration.
  16. equation item An arithmetic expression used in place of an itemname in an ARC/INFO command. For example, to list feature areas, a user could specify LIST AREA; to list…
  17. equational division A chromosome division in which the two chromatids of each duplicated chromosome separate longitudinally, prior to being incorporated into two daughter…
  18. Equator The parallel of reference 0 north or south.
  19. equatorial orbit For a satellite orbiting the Earth, an orbit in the equatorial plane. Note: An equatorial orbit has an inclination angle of 0°.
  20. Equi-Potential Line A line, in a field of flow, such that the total head is the same for all points on the line, and therefore the direction of flow is perpendicular to the…
  21. Equilibrium To be in a state of perfect balance. A spinning top is a kind of equilibrium untill it falls.
  22. equilibrium coupling length Synonym equilibrium length.
  23. equilibrium density gradient centrifugation A procedure used to separate macromolecules based on their density (mass per unit volume).
  24. Equilibrium Drawdown The ultimate, constant drawdown for a steady rate of pumped discharge.
  25. equilibrium length For a specific excitation condition, the length of multimode optical fiber necessary to attain equilibrium mode distribution.
  26. Equilibrium Level (EL) - On a sounding, the level above the level of free convection (LFC) at which the temperature of a rising air parcel again equals the temperature of…
  27. equilibrium mode distribution (EMD) That condition in a multimode fiber wherein after propagation has taken place for a certain distance, called the "equilibrium length," the relative power…
  28. equilibrium mode distribution length Synonym equilibrium length.
  29. equilibrium mode power distribution Synonym equilibrium mode distribution.
  30. equilibrium mode simulator For an optical fiber, a device or optical system used to create an approximation of the equilibrium mode distribution.
  31. Equilibrium Surface Discharge The steady rate of surface discharge which results from a long-continued, steady rate of net rainfall, with discharge rate equal to net rainfall rate.
  32. Equilibrium Time The time when flow conditions become substantially equal to those corresponding to equilibrium discharge or equilibrium drawdown.
  33. equilibrium vapor pressure The necessary vapor pressure around liquid water that allows the water to remain in equilibrium with its environment.
  34. Equinox The two times of the year when the sun crosses the equator and night and day are of equal length; usually occurs on March 21st (spring equinox) and…
  35. Equipment and software Investment in equipment and software consists of capital account purchases of new machinery, equipment, furniture, vehicles, and computer software…
  36. equipment clock A clock that satisfies the particular needs of equipment and, in some cases, may control the flow of data at the equipment interface.
  37. equipment intermodulation noise Intermodulation noise introduced into a system by a specific piece of equipment.
  38. equipment mailbox An equipment mailbox is a type of resource mailbox that is assigned to a non-location-specific resource such as a laptop projector, microphone, or company…
  39. Equipment Operationally Ready The status of an item of equipment in the possession of an operating unit that indicates it is capable of fulfilling its intended mission and in a system…
  40. equipment room In a building, a centralized space for telecommunications equipment that serves the occupants of the building.
  41. equipment side The portion of a device that is directly connected to facilities internal to a station, such as the data terminal equipment (DTE) side of the…
  42. equipotential ground plane A mass, or bonded masses, of conducting material that offer a negligible impedance to current flow.
  43. equitable Pertaining to civil suits in "equity" rather than in "law." In English legal history, the courts of "law" could order the payment of damages and could…
  44. Equitable distribution Equitable distribution is the division of property that is fair in view of all of the circumstances. Equitable does not necessarily mean equal.
  45. Equity Another word for "stock." It represents an ownership interest by shareholders in a corporation.
  46. Equity capital flows (direct investment) Equity capital increases and decreases. Equity capital increases consist of payments by parent companies to third parties abroad for the purchase of…
  47. Equity financing Provision of capital through the sale of common or preferred stock to investors.
  48. Equity fund A mutual fund whose portfolio consists primarily of common and/or preferred stock.
  49. equity holder A Federal or Presidential organization that owns or has a stake in information found in a record, and so must participate in decisions relating to the…
  50. Equity loan Same or similar to "home equity line of credit." See also "home equity line of credit" under "mortgage."
  51. Equity stripping The lender encourages you to borrow heavily from the equity in your home (the amount you own free and clear of your mortgage) as an easy way to get…
  52. Equivalent Equal under patent law. MPEP 904.01(b), MPEP 2144.06, MPEP 2183.
  53. Equivalent diameter (equivalent size) The diameter of a hypothetical sphere composed of material having the same specific gravity as that of the actual soil particle and of such size that it…
  54. Equivalent fluid A hypothetical fluid having a unit weight such that it will produce a pressure against a lateral support presumed to be equivalent to that produced by the…
  55. equivalent gauge A standard cross section of cable conductors for use in equating the metallic content of cable conductors of all gauges to a common base. [47 CFR Pt.36-A]
  56. equivalent network In a system, a network that may replace another network without altering the performance of the system. 2.
  57. equivalent noise resistance A quantitative representation in resistance units of the spectral density of a noise-voltage generator, given by Rn = (Wn)/(kT0), where Wn is the spectral…
  58. equivalent noise temperature The temperature, usually expressed in kelvins, of a hypothetical matched resistance at the input of an assumed noiseless device, such as a noiseless…
  59. equivalent pair kilometers The product of sheath kilometers and the number of equivalent gauge pairs of conductors in a cable. [47 CFR Pt.36-A]
  60. Equivalent Potential Temperature The equivalent potential temperature is the temperature a parcel at a specific pressure level and temperature would have if it were raised to 0 mb…
  61. equivalent pulse code modulation (PCM) noise The amount of thermal noise power on a frequency-division multiplexed (FDM) or wire channel necessary to approximate the same judgment of speech quality…
  62. equivalent satellite link noise temperature The noise temperature referred to the output of the receiving antenna of the Earth station corresponding to the radio-frequency noise power which produces…
  63. equivalent sheath kilometers The product of (a) the length of a section of cable in kilometers (sheath kilometers) and (b) the ratio of the metallic content applicable to a particular…
  64. Equivalent taxable yield While taxable bonds normally pay higher interest rates than tax-exempt bonds, they sometimes provide a lower overall yield.
  65. equivalents - means-plus-function claims Rather than expressly reciting a component or feature in a patent claim, one may recite a feature as a means for accomplishing something such as "seal…
  66. equivalents - reverse doctrine of This concept is used infrequently. It refers to situations where one might literally infringe a patent claim, but due to the interpretation of the claim…
  67. Equivocal death manner of death (homicide, suicide, accident) remains undetermined after a complete investigation.
  68. ER Describes cells that do not have a protein to which the hormone estrogen will bind.
  69. ER link Abbreviation for emergency response link.
  70. ERA A time period dominated by a particular physical process.
  71. ERA-923 A substance that is being studied as a treatment for cancer. It belongs to a family of drugs called antiestrogens.
  72. ERADCOM OBSOLETE. Army Electronics Research and Development Command. (Now Laboratory Command (LABCOM), Adelphi, MD.) 97
  73. Eradication In the context of malaria, reducing the number of malaria parasites that circulate in the natural world to zero.
  74. Erasable Optical Drive A type of optical drive that uses erasable optical discs.
  75. erase To obliterate information from a storage medium, such as to clear or to overwrite. 2.
  76. erasure [A] process intended to render magnetically stored information irretrievable by normal means. [INFOSEC-99]
  77. erb-38 immunotoxin (... IH-myoo-noh-TOK-sin) A toxic substance linked to an antibody that attaches to tumor cells and kills them.
  78. ErbB1 The protein found on the surface of some cells and to which epidermal growth factor binds, causing the cells to divide.
  79. Erbitux (ER-bih-tux) A monoclonal antibody used to treat certain types of head and neck cancer, and colorectal cancer that has spread to other parts of the body.
  80. ERCP A procedure that uses an endoscope to examine and x-ray the pancreatic duct, hepatic duct, common bile duct, duodenal papilla, and gallbladder.
  81. ERCS Emergency Rocket Communications System (US).
  82. ERD Element Requirements Document.
  83. erect position In frequency-division multiplexing, a position of a translated channel in which an increase signal frequency in the untranslated channel causes an…
  84. erectile dysfunction An inability to have an erection of the penis adequate for sexual intercourse. Also called impotence.
  85. erection (ih-REK-shun) In medicine, the swelling of the penis with blood, causing it to become firm.
  86. ERG A unit of work done by the force of one dyne acting through a distance of one centimeter.
  87. ERINT OBSOLETE. Extended Range Interceptor. Now referred to as PAC-3.
  88. ERIS OBSOLETE. Exoatmospheric Reentry Vehicle Interceptor Subsystem. (Predecessor to Ground-Based Interceptor (GBI).)
  89. ERIS(F) OBSOLETE. ERIS Farm.
  90. erlang A dimensionless unit of the average traffic intensity (occupancy) of a facility during a period of time, usually a busy hour.
  91. Erlenmeyer flask A conical flat-bottomed laboratory flask with a narrow neck, widely used for culturing micro-organisms.
  92. erlotinib (er-LOH-ty-nib) A drug used to treat certain types of non-small cell lung cancer.
  93. erlotinib hydrochloride (er-LOH-ty-nib HY-droh-KLOR-ide) A drug used to treat certain types of non-small cell lung cancer.
  94. ERLY Early
  95. ERM See electronic records management (ERM) and enterprise report management (ERM).
  96. ERM (electronic records management) The application of records management principles to electronic records The management of records using electronic systems to apply records management…
  97. ERM (enterprise report management) A system that transforms reports into documents and data that can be searched, accessed, and leveraged in business processes Also referred to as…
  98. ERN Eastern
  99. Erode To wear away or remove the land surface by wind, water, or other agents.
  100. Erosion The wearing away of land surface by wind or water, intensified by land-clearing practices related to farming, residential or industrial development, road…