Glossary · Nouns · L
L1 — paginated flat list. Pick a POS, pick a letter.
TermTypeDefinitionClassificationsUpdated
Loving CupnounMWEa large metal vessel with two handles that is awarded as a trophy to the winner of a competitionverified
Low BeamnounMWEthe beam of a car's headlights that provides illumination for a short distanceverified
Low BlueberrynounMWElow-growing deciduous shrub of northeastern North America having flowers in compact racemes and bearing sweet dark blue berriesverified
Low ImpactnounMWEThe loss of confidentiality, integrity, or availability that could be expected to have a limited adverse effect on organizational operations, organizational assets, individuals, other organizations, or the national security interests of the United States; (i.e., 1) causes a degradation in mission capability to an extent and duration that the organization is able to perform its primary functions, but the effectiveness of the functions is noticeably reduced; 2) results in minor damage to organizational assets; 3) results in minor financial loss; or 4) results in minor harm to individuals).RequirementRegulated
low impact Bulk Electric System Cyber SystemnounMWEA Bulk Electric System Cyber System in which at least one security objective (i.e., confidentiality, integrity, or availability) is assigned a potential impact value of low, and none are assigned a potential impact value of medium or high.SystemRegulatedCUI
Low Impact Bulk Electric System Cyber System Electronic Access PointnounMWEA Cyber Asset interface that controls Low Impact External Routable Connectivity. The Cyber Asset containing the LEAP may reside at a location external to the asset or assets containing low impact Bulk Electric System (BES) Cyber Systems.SystemRegulatedCUI
Low Impact External Routable ConnectivitynounMWEDirect user-initiated interactive access or a direct device-to-device connection to a low impact BES Cyber System(s) from a Cyber Asset outside the asset containing those low impact BES Cyber System(s) via a bi-directional routable protocol connection. Point-to-point communications between intelligent electronic devices that use routable communication protocols for time-sensitive protection or control functions between Transmission station or substation assets containing low impact BES Cyber Systems are excluded from this definition (examples of this communication include, but are not limited to, IEC 61850 GOOSE or vendor proprietary protocols).NetworkRegulatedCDI
Low Probability of DetectionnounMWEResult of measures used to hide or disguise intentional electromagnetic transmissions.ControlRegulatedCUI
Low Probability of InterceptnounMWEResult of measures to prevent the intercept of intentional electromagnetic transmissions. The objective is to minimize an adversary’s capability of receiving, processing, or replaying an electronic signal.ControlRegulatedCUI
Low ReliefnounMWEa sculptural relief in which forms extend only slightly from the backgroundverified
Low St Andrew's CrossnounMWElow shrubby plant having yellow flowers with four petals arranged in a crossverified
Low-Birth-Weight BabynounMWEan infant born weighing less than 5.5 pounds or 2500 grams, regardless of gestational ageverified
Low-Bush BlueberrynounMWElow-growing deciduous shrub of northeastern North America having flowers in compact racemes and bearing sweet dark blue berriesverified
Low-Fat DietnounMWEa diet containing limited amounts of fat and stressing foods high in carbohydratesverified
Low-Impact SystemnounMWEAn information system in which all three security objectives (i.e., confidentiality, integrity, and availability) are assigned a FIPS 199 potential impact value of low.SystemRegulated
Low-Level FormattingnounMWE(computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting positionverified
Low-Level Radioactive WastenounMWE(medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests)verified
Low-Pass FilternounMWEa filter that passes frequencies below a certain value and attenuates frequencies above that valueverified
Lower BoundnounMWE(mathematics) a number equal to or less than any other number in a given setverified
Lower CriticismnounMWEthe study of existing manuscripts of the Scriptures in order to determine the original textverified
Lower Respiratory Tract SmearnounMWEany of several cytologic smears obtained from different parts of the lower respiratory tractverified
Lower-Case LetternounMWEthe characters that were once kept in bottom half of a compositor's type caseverified
Lowest Common MultiplenounMWEthe smallest multiple that is exactly divisible by every member of a set of numbersverified
Lowland Burrowing TreefrognounMWEterrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of headverified
Lowland FirnounMWElofty fir of the Pacific coast of northwestern America having long curving branches and deep green leavesverified
Lowland White FirnounMWElofty fir of the Pacific coast of northwestern America having long curving branches and deep green leavesverified
Loyaltynounthe act of binding yourself (intellectually or emotionally) to a course of actionverified
Luaunounan elaborate Hawaiian feast or party (especially one accompanied by traditional foods and entertainment)verified
Lubber's HolenounMWEhole in a platform on a mast through which a sailor can climb without going out on the shroudsverified
Lubricating SubstancenounMWEa substance capable of reducing friction by making surfaces smooth or slipperyverified
Lubricating SystemnounMWEmechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearingsverified
Lubricationnounthe condition of having been made smooth or slippery by the application of a lubricantverified
Lubricatornouna substance capable of reducing friction by making surfaces smooth or slipperyverified
Lucernenounimportant European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay cropverified