Glossary · Nouns · S
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TermTypeDefinitionClassificationsUpdated
Spandrelnounan approximately triangular surface area between two adjacent arches and the horizontal plane above themverified
Spandrilnounan approximately triangular surface area between two adjacent arches and the horizontal plane above themverified
Spanielnounany of several breeds of small to medium-sized gun dogs with a long silky coat and long frilled earsverified
Spankernouna fore-and-aft sail set on the aftermost lower mast (usually the mizzenmast) of a vesselverified
Sparge PipenounMWEa horizontal pipe having fine holes drilled throughout its length so as to deliver a spray of waterverified
Spark AdvancenounMWEthe timing of ignition relative to the position of the piston in an internal-combustion engineverified
Spark ArresternounMWEelectrical device to reduce sparking when electrical contacts are opened or closedverified
Spark LevernounMWE(on early automobiles) a lever mounted on the steering column and used to adjust the timing of the ignitionverified
Spark PlugnounMWEelectrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric sparkverified
Spark TransmitternounMWEan early radio transmitter using a discharge across a spark gap as the source of its powerverified
Sparking PlugnounMWEelectrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric sparkverified
Sparkplug WrenchnounMWEa wrench for removing or tightening spark plugs into the cylinder head of an internal combustion engineverified
Sparring MatenounMWEa boxer who spars with another boxer who is training for an important fightverified
Sparring PartnernounMWEa boxer who spars with another boxer who is training for an important fightverified
Sparsitynounrefers to a matrix of numbers that includes many zeros or values that will not significantly impact a calculation.verified
Spastic BladdernounMWEa urinary bladder disorder resulting from spinal cord lesion or multiple sclerosis or traumaverified
Spastic ColonnounMWErecurrent abdominal pain and diarrhea (often alternating with periods of constipation)verified
Spastic ParalysisnounMWEa loss or deficiency of motor control with involuntary spasms caused by permanent brain damage present at birthverified
Spathe FlowernounMWEany of various plants of the genus Spathiphyllum having a white or green spathe and a spike of fragrant flowers and often cultivated as an ornamentalverified
Spathiphyllumnounany of various plants of the genus Spathiphyllum having a white or green spathe and a spike of fragrant flowers and often cultivated as an ornamentalverified
Spatial ArrangementnounMWEthe property possessed by an array of things that have space between themverified
Spatial RelationnounMWEthe spatial property of a place where or way in which something is situatedverified
Spatterdocknouncommon water lily of eastern and central North America, having broad leaves and globe-shaped yellow flowersverified
Spawlnouna fragment broken off from the edge or face of stone or ore and having at least one thin edgeverified
Speakernounelectro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distanceverified
Speaker SystemnounMWEelectro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distanceverified
Speaker UnitnounMWEelectro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distanceverified
Speaking TrumpetnounMWEa trumpet-shaped acoustic device to intensify and direct the human voiceverified
Spear phishingnounMWEAn attack targeting a specific user or group of users, and attempts to deceive the user into performing an action that launches an attack, such as opening a document or clicking a link. Spear phishers rely on knowing some personal piece of information about their target, such as an event, interest, travel plans, or current issues. Sometimes this information is gathered by hacking into the targeted network.Threat
Spear ThrowernounMWEa device resembling a sling that is used in various primitive societies to propel a dart or spearverified
Spearfishnounany of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reducedverified
Spearmintnouncommon garden herb having clusters of small purplish flowers and yielding an oil used as a flavoringverified
Special Access ProgramnounMWEA program established for a specific class of classified information that imposes safeguarding and access requirements that exceed those normally required for information at the same classification level.ProcessRegulatedCUI
Special Access Program FacilitynounMWEFacility formally accredited by an appropriate agency in accordance with DCID 6/9 in which SAP information may be processed.PhysicalRegulatedCDI
Special ActnounMWEa legislative act that applies only to a particular person or particular districtverified
Special AgentnounMWEsomeone whose authority is limited to the special undertaking they have been instructed to performverified
Special AssessmentnounMWEan additional tax levied on private property for public improvements that enhance the value of the propertyverified
Special CharacternounMWEAny non-alphanumeric character that can be rendered on a standard American-English keyboard. Use of a specific special character may be application-dependent. The list of special characters follows: ` ~ ! @ # $ % ^ & * ( ) _ + | } { “ : ? [ ] \ ; ’ , . / - =Requirement
Special ContractnounMWEa contract that is signed and has the (wax) seal of the signer attachedverified
Special Court-MartialnounMWEa court-martial to try soldiers for offenses less serious that than those committed in actionverified
Special DeliverynounMWEmail that is delivered by a special carrier (for an additional charge)verified