Glossary · Nouns · S
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TermTypeDefinitionClassificationsUpdated
Single-Valued FunctionnounMWE(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)verified
Singletary PeanounMWEa weak-stemmed winter annual native to Mediterranean region for long established in southern United Statesverified
Singletonnounthe playing card that is the only card in a suit held in a bridge hand as initially dealtverified
Singultusnoun(usually plural) the state of having reflex spasms of the diaphragm accompanied by a rapid closure of the glottis producing an audible soundverified
Sinkholenouna depression in the ground communicating with a subterranean passage and formed by solution or by collapse of a cavern roofverified
Sinking FundnounMWEa fund accumulated regularly in a separate account and used to redeem debt securitiesverified
Sinus EthmoidalesnounMWEa sinus of the meatuses of the nasal cavity (behind the bridge of the nose)verified
Sinus HeadachenounMWEa headache resulting from congestion or infection in the paranasal sinusesverified
Sinus ParanasalesnounMWEany of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavitiesverified
Sinus Venosus ScleraenounMWEa circular canal in the eye that drains aqueous humor from the anterior chamber of the eye into the anterior ciliary veinsverified
Sinusoidal ProjectionnounMWEan equal-area map projection showing parallels and the equator as straight lines and other meridians as curvedverified
Siphonophorenouna floating or swimming oceanic colony of polyps often transparent or showily coloredverified
Sipunculidnounsmall unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanutverified
Sireniannounany of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbsverified
Sirenian MammalnounMWEany of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbsverified
Sirisnounlarge spreading Old World tree having large leaves and globose clusters of greenish-yellow flowers and long seed pods that clatter in the windverified
Siris TreenounMWElarge spreading Old World tree having large leaves and globose clusters of greenish-yellow flowers and long seed pods that clatter in the windverified
SisalnounMexican or West Indian plant with large fleshy leaves yielding a stiff fiber used in e.g. ropeverified
Sisal FamilynounMWEchiefly tropical and xerophytic plants: includes Dracenaceae (Dracaenaceae)verified
Siskiyou LewisianounMWEevergreen perennial having a dense basal rosette of long spatula-shaped leaves and panicles of pink or white-and-red-striped or pink-purple flowersverified
Sisternouna female person who is a fellow member of a sorority or labor union or other groupverified
Sisterhoodnounan association or society of women who are linked together by a common religion or trade or interestverified
Sit-Downnouna strike in which workers refuse to leave the workplace until a settlement is reachedverified
Sit-Down StrikenounMWEa strike in which workers refuse to leave the workplace until a settlement is reachedverified
Sit-Innouna form of civil disobedience in which demonstrators occupy seats and refuse to moveverified
Sit-Upnouna stomach exercise in which a person sits up from a supine position without using the arms for leverageverified
Sitcomnouna humorous television program based on situations that could arise in everyday lifeverified
Site VisitnounMWEa visit in an official capacity to examine a site to determine its suitability for some enterpriseverified
Sitting RoomnounMWEa room in a private house or establishment where people can sit and talk and relaxverified
Situation ComedynounMWEa humorous television program based on situations that could arise in everyday lifeverified
situational awarenessnounMWEWithin a volume of time and space, the perception of an enterprise’s security posture and its threat environment; the comprehension/meaning of both taken together (risk); and the projection of their status into the near future.Capability
Sitz BathnounMWEa bathtub in which your buttocks and hips are immersed as if you were sitting in a chair and you bathe in a sitting positionverified