Word origins

• sarcophilineA Tasmanian devil (Sarcophilus harrisii).
• sarcopticPertaining to, or caused by mites of the genus Sarcoptes.
• sauropsidanAny member of the Sauropsida.
• sauropterygianA reptile of the extinct superorder Sauropterygia.
• scincomorphAny member of the Scincomorpha.
• sciuroidAny rodent from the family Sciuridae.
• scombriformAny fish of the order Scombriformes
• secalinAny of a family of prolamin glycoproteins present in rye.
• serranoidAny fish of the family Serranidae, which includes the striped bass, the black sea bass, and many other food fishes.
• sertularianAny member of the former order Sertularida, hydroids having branched chitinous stems and simple sessile hydrothecae.
• sinapolineA nitrogenous base, CO.(NH.C₃H₅)₂, related to urea, and extracted from mustard oil
• siphonobranchiateHaving a siphon or siphons to convey water to the gills (said of gastropods of the former order Siphonobranchiata.
• siphovirusAny of the viruses of the family Siphoviridae.
• sirenianA marine mammal of the order Sirenia, including the manatee and dugong, characterized by large forelimbs with no hind limbs.
• snowy mespilusAmelanchier ovalis, also called the Savoy medlar.
• so-iuy mulletPlaniliza haematocheilus.
• solenopsinAn alkaloid, with chemical formula C₁₇H₃₅N, that is considered the primary toxin in fire ant venom and that inhibits angiogenesis via the phosphoinositol-3 kinase signaling pathway.
• solifugidSynonym of camel spiders.
• solpugidAny arachnid of the genus Solpuga
• spalacolestineof or pertaining to the genus Spalacolestes
• sphagnicolousGrowing in moss of the genus Sphagnum.
• sphecoidOf or pertaining to wasps formerly classified in the superfamily Sphecoidea (corresponding to all wasps in Apoidea), now sometimes treated as the series Spheciformes.
• spherosporidA marine parasite of the family Sphaerosporidae
• sterculiaceousOf or relating to the family Sterculiaceae (a former name for Malvaceae) of polypetalous exogenous plants, mostly tropical, including the cocoa plant.
• strobilurinAny of a group of chemical compounds used agriculturally as fungicides.
• syconoidA member of the genus Sycon of sponges.
• symphlebianAny arctiine moth of the genus Symphlebia.
• synapheaThe metrical continuity between one colon and another.
• synapsidPertaining to the class Synapsida of animals which have an opening low in the skull roof behind each eye, leaving a bony arch beneath each.
• syrphidOf or pertaining to flies of the family Syrphidae.
• syrphusA fly of the genus Syrphus or the family Syrphidae.
• tanacetinThe bitter principle of common tansy (Tanacetum vulgare).
• taraxacinA bitter glycoside, extracted from dandelion, once used as a diuretic.
• temnospondylAny of many extinct primitive amphibians (labyrinthodonts) of the order Temnospondyli, from the Carboniferous, Permian and Triassic periods.
• terminalianAny large tree and flowering plant of the genus Terminalia.
• thalassiophyteany plant belonging to one of the obsolete taxonomic groups known as Thalassiophyta, which were believed to comprise various parts of the marine algae or seaweeds, depending on the classification system.
• thapsaneAny of a family of sesquiterpenes that are found in Mediterranean plants.
• theiformSimilar to tea.
• thelephoraceousBelonging to the Thelephoraceae.
• thescelosaurAny dinosaur of the subfamily Thescelosaurinae.
• titanosuchianAny dinocephalian of the family Titanosuchidae.
• Tonkin pit viperOvophis tonkinensis, a species of common pit viper found in Southeast Asia.
• totarolAn aromatic sterol present in the heartwood of Podocarpus totara
• tribulosisA form of photodermatitis in sheep, caused by eating the plant Tribulus terrestris.
• trichostrongyloidAny nematode of the superfamily Trichostrongyloidea
• triticinA carbohydrate isomeric with dextrin.
• trochilidineOf, or pertaining to hummingbirds.
• trogonophidAny lizard in the family Trogonophidae.
• trombiculiasistrombiculosis
• trombiculidAny of the family Trombiculidae of mites.
• trombidiasisInfestation with mites or chiggers of the genus Trombicula.
• trombidiidAny member of the Trombidiidae.
• troodontidAny member of the family †Troodontidae of small, bird-like theropod dinosaurs with large brains, large eyes, and a retractable claw on the second toe of each hind foot, similar to a farmer's sickle, used for slashing at prey.
• turban shellA marine gastropod of the family Turbinidae, or the shell thereof.
• turbellarianAny flatworm of the class Turbellaria.
• typhasterolA particular brassinosteroid
• tyrannoraptoranAny dinosaur of the clade Tyrannoraptora.
• tyrant flycatcherAny of a group of passerine birds, of family Tyrannidae, that inhabit the Americas.
• udoteaceanAny member of the algal family Udoteaceae.
• ulmosideAn aucubigenin diglycoside found in the bark of Ulmus wallichiana.
• uncinariasisInfection by hookworms of the genus Uncinaria.
• uredinologyThe mycological study of rust fungi.
• ushikuvirusA virus of the taxon Ushikuvirus, a large DNA virus that infects vermamoeba (amoeba of the genus Vermamoeba)
• uwuInnocently, often cloyingly cute.
• vangaAny of several passerine birds, of the family Vangidae, from Madagascar.
• vegaviidAny species of the extinct family Vegaviidae of goose-like birds.
• vibriolysinA thermostable form of thermolysin present in bacteria of the genus Vibrio.
• viburninA substance derived from the black haw viburnum (Viburnum prunifolium), used to treat uterine disease.
• viridGreen, verdant.
• weisiensinAny of a class of ent-kaurane diterpenoids isolated from the herb Rabdosia weisiensis.
• xenusianAny lobopodian in the class †Xenusia.
• xysmalobinSynonym of uzarin.
• zevatronA hypothetical source of extreme-energy cosmic rays (EECR), capable of accelerating particles to 1 ZeV (zetta-electronvolt).
• zopheridAny member of the Zopheridae.