Word origins

• scyphateConcave or cup-shaped.
• scyphiformShaped like a cup.
• scytalinidAny member of the family Scytalinidae of very slender burrowing fish called graveldivers.
• ScytalismThe clubbing of wealthy Argives in 370 BC.
• scytaloneA tetralone derivative involved in certain redox reactions.
• sebacicOf or pertaining to sebacic acid or its derivatives
• sebiferousProducing sebum; sebaceous.
• sebiparoussebaceous
• secabilityThe capability of being divided.
• secernateTo secern.
• secernentThat which promotes secretion.
• secessretirement; retreat; secession
• secleA century.
• sectileCapable of being cut; easily cut.
• secundArranged on one side only, as flowers or leaves on a stalk; unilateral.
• securiformHaving the form of an axe or hatchet.
• sedecimarticulateHaving sixteen joints.
• sedecupleSixteen times as great or as numerous.
• sedentsitting; inactive or still
• sedeprivationismThe school of thought, in Roman Catholicism, that the popes of the new religion of Vatican II council have been defective or deprived of the infallible teaching authority of the office because of their Modernist intent and remain in pope elect status until rencanting the innovations.
• sedulitydiligence, persistence
• sedulousOf a person: diligent in application or pursuit; constant and persevering in business or in endeavours to effect a goal; steadily industrious.
• segnitySluggishness or inactivity.
• sejoinTo separate.
• sejointseparated, disjoined
• sejunctSeparate; separated.
• sejunctionThe act of disjoining, or the state of being disjoined.
• selachianPertaining to (what is now classified as) the superorder Selachimorpha or division Selachii, comprising the sharks; or, sometimes more broadly, to the subclass Elasmobranchii, including sharks, rays and related species.
• Seleucia-on-TigrisThe capital of the Seleucid Empire, and a major city in Parthian and Sasanian periods
• semelparousReproducing only once in a lifetime.
• semencinesantonica
• semeseHalf-eaten.
• semiformA partial or imperfect form.
• seminationThe act of sowing or spreading.
• seminificForming or producing semen; seminiferous.
• seminismThe old theory that the newly created being is formed by the mixture of the seed of the male with the supposed seed of the female.
• seministA believer in the theory of seminism.
• seminivorousseed-eating
• seminoseA carbohydrate of the glucose group found in the thickened endosperm of certain seeds, and extracted as yellow syrup; D-mannose.
• semipedHalf of a metrical foot.
• semisomniaA chronic state of low-grade exhaustion caused by too little or fitful sleep.
• semitaA fasciole of a spatangoid sea urchin.
• sempervirentEvergreen.
• semper virgoPerpetual virgin. (Refers to the belief that Saint Mary remained a virgin her whole life.)
• semperviveA succulent plant, the houseleek.
• sempiternityExistence within time but infinitely into the future, as opposed to eternity, understood as existence outside time.
• senaryOf sixth rank or order.
• senatusconsultA decree written by the Roman Senate.
• senciongroundsel
• Seneca VillageA former village in Manhattan, New York City, New York County, New York State, United States; a settlement of freed slaves and other African Americans, also containing non-WASP European immigrants, demolished to make way for Central Park.
• senectitudeold age
• senicideThe killing of an elderly person.
• senilicideKilling of old people, especially to conserve resources for younger people.
• senocularHaving six eyes.
• sensifacientconverting into sensation
• sensiferousExciting or conveying sensation.
• sensificExciting sensation; causing something to be felt.
• sententiarySomeone who studied, read lectures on, or made commentaries on, The Sentences by Peter Lombard.
• sentisectionpainful vivisection, without the use of anesthetic
• separativeServing to separate.
• sepimentSomething that separates; a hedge; a fence.
• sepioliteA hydrated magnesium silicate, clay mineral used for carving into decorative articles and smoking pipes.
• sept-Seven: forming words relating to seven.
• septa-seven
• septariumA flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.
• septemviralOf or belonging to the septemviri or the septemvirate.
• septemvirateA group of seven people, especially (politics) a council of seven men who share office or rule.
• septennialOf or relating to a 7 year period.
• septi-seven
• septicidalExhibiting or relating to a method of dehiscence in which a pod splits through the partitions and is divided into its component carpels.
• septifragalBreaking from the partitions; said of a method of dehiscence in which the valves of a pod break away from the partitions, while these remain attached to the common axis.
• septimalRelating to the number seven.
• SeptimaniaThe western region of the Roman province of Gallia Narbonensis (modern-day south France) that passed under the control of the Visigoths in 462, when it was ceded to their king, Theodoric II.
• septimateSubmit (someone or something) to septimation; reduce by one seventh.
• septimationThe loss, seizure, destruction, or killing of one seventh (of something or of a group).
• septimoleA group of seven notes to be played in the time of four or six.
• septrionalOf or coming from northern regions.
• septua-Seven.
• septuagenaryOf or related to the number seventy, particularly
• SeptuagesimaA Sunday in the Christian calendar nine weeks before Easter Sunday.
• septuaryBeing seven in number.
• septulumA little septum; a division between small cavities or parts.
• septuplexSevenfold; made up of seven parts.
• septuplinervedHaving seven nerves.
• sepultburied.
• sequaciousLikely to follow or yield to physical pressure; easily shaped or molded.
• sequacityQuality or state of being sequacious.
• serapeumA temple or other religious institution dedicated to the syncretic Greco-Egyptian deity Serapis.
• SerianSynonym of Chinese or Northern Chinese, chiefly in the context of ancient Greco-Roman knowledge of China and its role as the origin of silk.
• sericSynonym of silken, made of silk.
• sericeousOf or relating to silk; consisting of, or resembling silk; silky.
• sericinA water-soluble glycoprotein that binds the two fibroin filaments of a silk fibre.
• sermocinationThe making of speeches or sermons; sermonizing.
• sermocinatorOne who makes sermons or speeches; a preacher.
• serolinA fatty substance found in the blood, probably a mixture of fats, cholesterol, etc.
• Serpens CaputThe western half of the northern constellation Serpens, said to resemble a snake. It is said to represent the head end of the snake.
• Serpens CaudaThe eastern half of the northern constellation Serpens, said to resemble a snake. It is said to represent the tail end of the snake.
• serpentiformHaving the form of a snake.
• serpentigenousBred of a serpent
• serpiginouscreeping, advancing