home/glossary/Nouns · S

Glossary · Nouns · S

L1 — paginated flat list. Pick a POS, pick a letter.

TermTypeDefinitionClassificationsUpdated
Signal BoxnounMWEa building from which signals are sent to control the movements of railway trainsverifiedMay 18, 2026
Signal CallernounMWE(American football) the position of the football player in the backfield who directs the offensive play of his teamverifiedMay 18, 2026
Signal DetectionnounMWEthe detection that a signal is being receivedverifiedMay 18, 2026
Signal Detection TheorynounMWEa framework for interpreting data from experiments in which accuracy is measured.FrameworkMay 18, 2026
Signal FirenounMWEa fire set as a signalverifiedMay 18, 2026
Signal FlagnounMWEa rectangular piece of fabric used as a signalling deviceverifiedMay 18, 2026
Signal LevelnounMWEthe amplitude level of the desired signalverifiedMay 18, 2026
Signal LightnounMWEa fire set as a signalverifiedMay 18, 2026
Signal TowernounMWEa building from which signals are sent to control the movements of railway trainsverifiedMay 18, 2026
Signal-To-Noisenounthe ratio of signal intensity to noise intensityverifiedMay 18, 2026
Signal-To-Noise RationounMWEthe ratio of signal intensity to noise intensityverifiedMay 18, 2026
Signal/noisenounthe ratio of signal intensity to noise intensityverifiedMay 18, 2026
Signal/noise RationounMWEthe ratio of signal intensity to noise intensityverifiedMay 18, 2026
Signalernounsomeone who communicates by signalsverifiedMay 18, 2026
Signalingnounany nonverbal action or gesture that encodes a messageverifiedMay 18, 2026
Signaling DevicenounMWEa device used to send signalsverifiedMay 18, 2026
Signalisationnouna conspicuous indicationverifiedMay 18, 2026
Signalizationnouna conspicuous indicationverifiedMay 18, 2026
Signallernounsomeone who communicates by signalsverifiedMay 18, 2026
Signalmannouna railroad employee in charge of signals and point in a railroad yardverifiedMay 18, 2026
Signals AnalysisnounMWEGaining indirect knowledge of communicated data by monitoring and analyzing a signal that is emitted by a system and that contains the data but is not intended to communicate the data.CapabilityRegulatedMay 12, 2026
Signals IntelligencenounMWEintelligence information gathered from communications intelligence or electronics intelligence or telemetry intelligenceverifiedMay 18, 2026
Signatorynounsomeone who signs and is bound by a documentverifiedMay 18, 2026
signaturenounA recognizable, distinguishing pattern associated with an attack, such as a binary string in a virus or a particular set of keystrokes used to gain unauthorized access to a system.ArtifactMay 12, 2026
Signature CertificatenounMWEA public key certificate that contains a public key intended for verifying digital signatures rather than encrypting data or performing any other cryptographic functions.CredentialMay 9, 2026
Signature GenerationnounMWEThe process of using a digital signature algorithm and a private key to generate a digital signature on data.ProcessRegulatedMay 9, 2026
Signature RecognitionnounMWEbiometric identification by automatically scanning a person's signature and matching it electronically against a library of known signaturesverifiedMay 18, 2026
Signature TunenounMWEa melody used to identify a performer or a dance band or radio/tv programverifiedMay 18, 2026
Signature ValidationnounMWEThe (mathematical) verification of the digital signature and obtaining the appropriate assurances (e.g., public key validity, private key possession, etc.).ControlRegulatedMay 12, 2026
Signature VerificationnounMWEThe process of using a digital signature algorithm and a public key to verify a digital signature on data.ProcessMay 12, 2026
Signboardnounstructure displaying a board on which advertisements can be postedverifiedMay 18, 2026
Signed DatanounMWEData on which a digital signature is generated.DataMay 12, 2026
Signernounsomeone who can use sign language to communicateverifiedMay 18, 2026
Signetnouna seal (especially one used to mark documents officially)verifiedMay 18, 2026
Signet RingnounMWEa ring bearing a signetverifiedMay 18, 2026
Significancenouna meaning that is not expressly stated but can be inferredverifiedMay 18, 2026
Significant DigitnounMWEany digit of a number that is known with certaintyverifiedMay 18, 2026
Significant FigurenounMWEany digit of a number that is known with certaintyverifiedMay 18, 2026
Significant firmsnounMWEFirms that process a significant share of transactions in critical financial markets.OrganizationRegulatedMay 9, 2026
Significant OthernounMWEa person with whom you cohabit and share a long-term sexual relationship, but not necessarily a spouseverifiedMay 18, 2026
Significationnounthe message that is intended or expressed or signifiedverifiedMay 18, 2026
Signifiednounthe meaning of a word or expressionverifiedMay 18, 2026
Signifiernounthe phonological or orthographic sound or appearance of a word that can be used to describe or identify somethingverifiedMay 18, 2026
Signingnounlanguage expressed by visible hand gesturesverifiedMay 18, 2026
Signiornounused as an Italian courtesy titleverifiedMay 18, 2026
Signornounused as an Italian courtesy titleverifiedMay 18, 2026
Signoranounan Italian title of address equivalent to Mrs. when used before a nameverifiedMay 18, 2026
Signorenounan Italian title of respect for a manverifiedMay 18, 2026
Signorinanounan Italian courtesy title for an unmarried womanverifiedMay 18, 2026
Signorynounthe estate of a seigneurverifiedMay 18, 2026
Sikanounsmall deer of Japan with slightly forked antlersverifiedMay 18, 2026
Silagenounfodder harvested while green and kept succulent by partial fermentation as in a siloverifiedMay 18, 2026
Sildnounany of various young herrings (other than brislings) canned as sardines in NorwayverifiedMay 18, 2026
Sildenafilnounvirility drug used to treat erectile dysfunction in men, commonly known under its trade name ViagraverifiedMay 18, 2026
Sildenafil CitratenounMWEvirility drug (trade name Viagra) used to treat erectile dysfunction in menverifiedMay 18, 2026
Silencernouna tubular acoustic device inserted in the exhaust system that is designed to reduce noiseverifiedMay 18, 2026
Silenenounany plant of the genus SileneverifiedMay 18, 2026
Silent ButlernounMWEa small receptacle with a handle and a hinged lidverifiedMay 18, 2026
Silent PartnernounMWEa partner (who usually provides capital) whose association with the enterprise is not public knowledgeverifiedMay 18, 2026
Silent PersonnounMWEa person who does not talkverifiedMay 18, 2026
Silent PicturenounMWEa movie without a soundtrackverifiedMay 18, 2026
Silent TreatmentnounMWEan aloof refusal to speak to someone you knowverifiedMay 18, 2026
Silentsnouna movie without a soundtrackverifiedMay 18, 2026
Silenusnounany of the minor woodland deities who were companions of Dionysus (similar to the satyrs)verifiedMay 18, 2026
Silesianouna sturdy twill-weave cotton fabricverifiedMay 18, 2026
Silexnouna pure form of finely ground silicaverifiedMay 18, 2026
Silicanouna white or colorless vitreous insoluble solid (SiO2)verifiedMay 18, 2026
Silica GelnounMWEa porous form of silica that is highly absorbentverifiedMay 18, 2026
Silicatenouna salt or ester derived from silicic acidverifiedMay 18, 2026
Silicic AcidnounMWEa jellylike substance (hydrated silica)verifiedMay 18, 2026
Silicidenounany of various compounds of silicon with a more electropositive element or radicalverifiedMay 18, 2026
Siliclenounshort broad silique occurring in some cruciferous plantsverifiedMay 18, 2026
Siliconnouna tetravalent nonmetallic elementverifiedMay 18, 2026
Silicon BronzenounMWEa bronze with 2-3% silicon that is resistant to corrosionverifiedMay 18, 2026
Silicon CarbidenounMWEan extremely hard blue-black crystalline compound (SiC) used as an abrasive and a heat refractory materialverifiedMay 18, 2026
Silicon ChipnounMWEelectronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuitverifiedMay 18, 2026
Silicon DioxidenounMWEa white or colorless vitreous insoluble solidverifiedMay 18, 2026
Silicon OxidenounMWEa white or colorless vitreous insoluble solid (SiO2)verifiedMay 18, 2026
Silicon ValleynounMWEa region in California to the south of San Francisco that is noted for its concentration of high-technology industriesverifiedMay 18, 2026
Siliconenounany of a large class of siloxanes that are unusually stable over a wide range of temperaturesverifiedMay 18, 2026
Silicone PolymernounMWEany of a large class of siloxanes that are unusually stable over a wide range of temperaturesverifiedMay 18, 2026
Silicone ResinnounMWEa polymeric silicone compoundverifiedMay 18, 2026
Silicone RubbernounMWEmade from silicone elastomersverifiedMay 18, 2026
Silicosisnouna lung disease caused by inhaling particles of silica or quartz or slateverifiedMay 18, 2026
Siliquanounnarrow elongated seed capsule peculiar to the family CruciferaeverifiedMay 18, 2026
Siliquenounnarrow elongated seed capsule peculiar to the family CruciferaeverifiedMay 18, 2026
Silk CottonnounMWEa plant fiber from the kapok treeverifiedMay 18, 2026
Silk GlandnounMWEsilk-producing gland of insects (especially of a silkworm) or spidersverifiedMay 18, 2026
Silk HatnounMWEa man's hat with a tall crownverifiedMay 18, 2026
Silk OaknounMWEany of several Australian timber trees having usually fernlike foliage and mottled wood used in cabinetry and veneeringverifiedMay 18, 2026
Silk Screen PrintnounMWEa print made using a stencil process in which an image or design is superimposed on a very fine mesh screen and printing ink is squeegeed onto the printing surface through the area of the screen that is not covered by the stencilverifiedMay 18, 2026
Silk StockingnounMWEwomen's stockings made from a sheer material (nylon or rayon or silk)verifiedMay 18, 2026
Silk TreenounMWEattractive domed or flat-topped Asiatic tree having bipinnate leaves and flowers with long silky stamensverifiedMay 18, 2026
Silk VinenounMWEdeciduous climber for arches and fences having ill-scented but interesting flowers and poisonous yellow fruitsverifiedMay 18, 2026
Silk WoodnounMWEa fast-growing tropical American evergreen having white flowers and white fleshy edible fruitverifiedMay 18, 2026
Silk-Cotton TreenounMWEmassive tropical tree with deep ridges on its massive trunk and bearing large pods of seeds covered with silky flossverifiedMay 18, 2026
Silkgrassnounvaluable forage grass of dry upland areas and plains of western North America to northern MexicoverifiedMay 18, 2026
Silkinessnounthe smooth feel of silk fabricverifiedMay 18, 2026
Silksnounanimal fibers produced by silkworms and other larvae that spin cocoons and by most spidersverifiedMay 18, 2026
Silkweednounany of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tuftsverifiedMay 18, 2026