Word origins

• -stylyPertaining to styles.
• sword of DamoclesA thing or situation which causes a prolonged state of impending doom or misfortune.
• sycocerylA radical, of the aromatic series, regarded as an essential ingredient of certain compounds found in the waxy resin of an Australian species of fig.
• sycosisA pustular eruption that affects the scalp or the bearded part of the face.
• syllogaiNotebooks used to collect sketches and inscriptions.
• syllogeA collection or compendium, especially of coins or antiquarian objects.
• symblepharonA partial or complete adhesion of the eyelid to the eyeball.
• symmictDescribing a sedimentation unit that lacks structure and is composed of various-sized particles that are mixed to a greater extent in the lower section.
• sympatryThe use of the same (or overlapping) geographical areas, by populations of related species, without interbreeding.
• sympelmousOf birds: having the tendons of the deep flexors of the toes blended in one before separating to proceed one to each of the four digits.
• symperasmaA conclusion that includes a brief summary of the foregoing arguments; a concluding summary.
• symphoriaBringing together, integration, or coparticipation.
• symphoricClumsy; accident-prone.
• symphronisticIdentical in terms of intellect or signification.
• symphytismcoalescence; compounding of two words.
• sympiezometerA type of barometer whereby the liquid is suspended below air or other gas rather than a vacuum, so that the atmospheric pressure acts against the weight of the liquid and the pressure of the gas.
• symplesiteA triclinic-pinacoidal mineral containing arsenic, hydrogen, iron, and oxygen.
• symploceThe repetition of one word or phrase at the beginning and another word or phrase at the end of successive phrases or clauses.
• sympoiesiscollective creation or organization
• symposiarchThe master of a feast.
• symposiastSomeone participating at a banquet or drinking party.
• syn-identical
• synadelphicActing together, as different members of an animal body.
• synadelphiteAn orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, lead, magnesium, manganese, and oxygen.
• synaeresisThe contraction of two vowels into a diphthong or a long vowel.
• synallagmaticImposing reciprocal obligations upon the parties; bilateral.
• synallaxineHaving the outer and middle toes partially united (said of certain birds related to the creepers).
• synangiumThe divided part beyond the pylangium in the aortic trunk of the amphibian heart.
• synapheaThe metrical continuity between one colon and another.
• synaptaseEmulsin.
• synapticulaOne of numerous calcareous processes which extend between, and unite, the adjacent septa of certain corals.
• synapticulumSynonym of synapticula.
• synathroesmusPiling up of terms, especially adjectives, often as invective.
• syncerebrumThe supraesophageal glanglia or brain of many invertebrates.
• synclasticcurved toward the same side in all directions
• syncopateto omit a vocalic or consonantal sound or a syllable from a word; to use syncope
• syncranterianHaving teeth in one continuous row.
• syncrisisA figure of speech in which opposite things, people etc. are compared.
• syndesmo-ligament
• syndesmographydesmology (study of the ligaments).
• syndyasmianPertaining to the state of pairing together sexually; said of animals during periods of procreation and while rearing their offspring.
• synechiaAn eye condition in which the iris adheres either to the cornea (anterior synechia) or to the lens (posterior synechia).
• synechismThe tendency to regard things such as space, time, and law as continuous.
• synechologyThe metaphysical doctrine of the connection of things by causation.
• synecphonesisA contraction of two syllables into one.
• synecthranAn organism that lives in the home of another organism in order to exploit it, and is treated with hostility or indifference.
• synedrionAn assembly that holds formal sessions.
• syngnomeA figure of speech in which the speaker shows mercy, clemency, or forgiveness to an adversary or offender, often in a context of having suffered injury or injustice.
• synizesisThe fusion of two syllables into one without the formation of a recognized diphthong, especially to fit a certain poetic meter.
• synneurosissyndesmosis
• synochusA continuous fever.
• synoecismThe unification of towns, tribes etc. under one capital city or polis.
• synophrysThe condition in which the eyebrows grow together.
• synteresisAn aspect of one's conscience by which one can judge wrong from right and decide on what makes good conduct (as distinguished from syneidesis).
• syntereticPreserving health; prophylactic.
• synthetonA set phrase linking two or more non-synonymous words by conjunction.
• syntomicFlat, of finite presentation, and locally a complete intersection.
• SyntycheA female given name from Ancient Greek.
• synusiaA layer of vegetation consisting of species with shared life forms.
• syringocoeleThe central canal of the spinal cord.
• syringotomyThe incision of a fistula, such as the anal fistula.
• tachyhydriteAn evaporite, consisting of a mixed calcium and magnesium chloride, with the chemical formula CaMg₂Cl₆·12H₂O.
• TaenarumA town of southern ancient Greece near present-day Tainaron.
• taenicideA medicine that destroys tapeworms.
• taeniformShaped like a ribbon; ribbonlike.
• taenifugeA medicine to expel tapeworms from a body.
• taeniodontAny of a group of extinct mammals of the suborder Taeniodonta
• taenioidShaped like a ribbon; ribbonlike.
• taeniopterygidAny member of the Taeniopterygidae of willowflies or winter stoneflies.
• tafoneA small cave-like feature found in granular rock such as sandstone.
• tainioliteA monoclinic-prismatic mineral containing fluorine, lithium, magnesium, oxygen, potassium, and silicon.
• tany-Stretch.
• -taphgrave; burial
• tapho-grave; burial
• taphofloraThe remains of dead plants.
• taphophileA person who is interested in cemeteries, funerals and gravestones
• taphophobeA person with an irrational fear of being buried alive.
• taphophobiaa fear of being buried alive
• taphophobicRelating to a fear of being buried alive
• taphrogenyThe process of trench formation by the downward folding of the Earth's crust.
• taseometerAn instrument for measuring physical strain in a structure.
• tasimeterAn instrument for detecting or measuring minute extension or movements of solid bodies. It consists of a small rod or disk of carbon forming part of an electrical circuit, whose resistance (varied by the changes of pressure produced by the movements of the object to be measured) causes variations in the strength of the current, which are indicated by a sensitive galvanometer.
• tauonAn unstable elementary particle which is a type of lepton, having a mass almost twice that of a proton, a negative charge, and a spin of ½; it decays into hadrons (usually pions) or other leptons, and neutrinos.
• taurocholicDesignating a type of acid having properties of taurine and bile.
• taurokathapsiaBull-leaping, as depicted in Bronze Age art, especially from Minoan Crete.
• tauromachyBullfighting
• tauto-repetition; sameness
• tautochroneA curve, such that a weighted body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it begins to fall.
• taxaspideanHaving the posterior tarsal scales, or scutella, rectangular and arranged in regular rows; said of certain birds.
• taxo-Order, arrangement.
• taxologytaxonomy
• techno-Relating to technology.
• tecno-Child.
• tectologyA Haeckelian division of morphology; the science of organic individuality constituting the purely structural portion of morphology, in which the organism is regarded as composed of organic individuals of different orders, each organ being considered an individual.
• teichoicOf or pertaining to the teichoic acids or their derivatives
• teichuronicRelating to a teichuronic acid or its derivatives
• teinoscopeAn instrument formed by combining prisms so as to correct the chromatic aberration of the light while linear dimensions of objects seen through the prisms are increased or diminished
• teixobactinAn antibiotic discovered in a screen of uncultured bacteria (Eleftheria terrae) grown in situ in soil, thought to be unlikely to lead to the development of resistance in pathogens.
• tele-over a distance
• telegnosisKnowledge of events outside of normal sensory perception.