Word origins

• sideroliteAn iron meteorite; a siderite.
• siderurgyThe iron and steel industry.
• sigmaticHaving the consonant s added to the root in order to form a tense or case stem.
• sigmodontAny of the Sigmodontinae subfamily of rodents, including New World rats and mice.
• signcryptTo employ signcryption
• sikinnisA dance performed in Ancient Greek satyr plays.
• sillographA satirist.
• siphono-Forming compound terms pertaining to siphons or tubes.
• siredonA larval or neotenic salamander (e.g. the axolotl, Ambystoma mexicanum).
• -sisforming nouns of action or process
• sitio-food, especially grain
• sitiogonicConcerned with the mythological motif of the origins of foods, food sources, or food-related aspects of human culture.
• sito-food, especially grain
• sitomaniaObsessive eating
• skaddonThe larva of a bee.
• skatoleA mildly toxic white crystalline organic compound of the indole family, occurring naturally in faeces and coal tar, 3-methylindole (C₉H₉N).
• skeuomorphA design feature copied from a similar feature in another object, even when not functionally necessary.
• skeuomorphismThe incorporation of obsolete or skeuomorphic elements into a design, for familiarity or out of tradition, even though they no longer serve any functional purpose.
• skiagramA picture or image created from shadows, especially with X-rays.
• skiamorphSynonym of skeuomorph.
• skiascopeA retinoscope.
• skiascopyretinoscopy
• skiatronA kind of cathode ray tube that replaces the conventional light-emitting phosphor layer on the face of the tube screen with a scotophor such as potassium chloride.
• skolioromanticRomantically attracted to non-cisgender people.
• skoliosexualSexually attracted to non-cisgender people.
• skoposThe function of a written or spoken text, especially in the context of translating and interpreting.
• skoramisA chamber pot.
• skufiaA soft-sided brimless cap of various shapes, worn by clergy or monastics.
• skyphosA deep two-handled wine cup of Ancient Greece.
• solecizeTo commit a solecism.
• soleno-Having a tube, a duct or a pipe
• somato-body
• somatomeA somite.
• somatophylaxOne of the seven men that served in high-ranking military positions during the times of Alexander the Great
• somatopleureA fold of tissue, in the embryo of a vertebrate, from which the walls of the body and the amnion develop.
• somatoschisisA congenital fissure of the body wall or trunk.
• -someCharacterized by some specific condition or quality, usually to a considerable degree.
• sophicTeaching, conveying, or related to wisdom.
• sopho-wise, intelligent, wisdom
• sophrologyA technique consisting of a set of physical and mental exercises for reducing stress and promoting well-being.
• sophronOf a sound and well-balanced mind; moderate, prudent, sensible, reasonable.
• sophronizeTo imbue with moral principles or self-control.
• sophrosyneThe Ancient Greek concept of an ideal of excellence of character and soundness of mind, which when combined in one well-balanced individual leads to other qualities, such as temperance, moderation, prudence, and self-control.
• sophumerA student in the second year of a four-year college.
• -sophywisdom, knowledge, learning
• sorediumA common scalelike reproductive structure in lichens consisting of algal cells enveloped in a network of hyphae.
• sorosilicateAny silicate based on the dimeric anion Si₂O₇⁶⁻.
• sorosisAny multiple fruit, usually fleshy, that is derived from the multiple ovaries in an infructescence. Such a structure typically includes remnants of floral tissues such as the perianth. Examples include the mulberry and pineapple.
• sossosA quantity of 60, such as a period of 60 years.
• sostrumA reward given for saving a person's life; a physician's fee.
• SothisA star given great significance by the Ancient Egyptians, believed to be Sirius by modern scholars.
• sozineAn antiseptic substance; any protein normally contained in the body of an animal and forming a natural protection against germs.
• SozusaA byname of several ancient cities linked to the sun-god Apollo.
• spanaemiaA condition of impoverishment of the blood; a morbid state in which the red corpuscles, or other important elements of the blood, are deficient.
• spanophiliaLove of the rare.
• sparagmosThe ritual tearing apart of a hero.
• spargosisdistension of the breasts with milk
• spathicHaving good cleavage.
• speak in tonguesTo speak in a language unknown to the speaker, especially when in a state of religious ecstasy; glossolalia.
• speleo-cave
• speleothemAny secondary mineral, deposited in a natural cave by the action of water. Includes formations such as stalactites, stalagmites, flowstones, and helictites.
• sperma-Of or relating to sperm.
• spermato-seed
• spermatoonA spermatid.
• -spermicHaving or relating to a medical condition in -spermia
• -spermousHaving a specified number or type of seeds.
• sphacelGangrene.
• sphacelusA gangrenous part.
• sphaeridiumSynonym of capitulum.
• sphaerosporeOne of the non-sexual spores found in red algae; a tetraspore.
• spheksophobiaFear of wasps.
• sphendoneAn Ancient Greek headband worn by women.
• sphenicShaped like a wedge.
• spheno-Wedge, wedge-shaped.
• sphenogramA cuneiform character/symbol.
• sphexishOf animal behaviour: deterministic, preprogrammed.
• sphragisticsThe study of seals, especially those attached to documents
• sphrigosisIn a tree, excessive growth of wood and leaves at the expense of fruit.
• sphygm-pulse, pulsation (of blood delivered by the beating heart)
• spilomabirthmark
• spilositeA greenish schistose rock spotted with chlorite.
• spilusnaevus
• spinthariscopeAn early device for observing individual nuclear disintegrations.
• spintherismphotopsia
• SpioOne of the Nereids.
• spiremeThe tangled mass of strands of chromatin seen in the early stages of mitosis, originally believed to be a single continuous strand (or two in a diploid cell, etc.)
• spithameThe span of a human hand, as a unit of measure in Ancient Greece.
• splanchno-viscera; intestine
• splanchnopleureA layer of embryonic cells formed from the mesoderm and endoderm that develops into the wall of the viscera.
• splanchnoskeletonThat part of the skeleton connected with the sense organs and the viscera.
• splenalgiaPain in the region of the spleen.
• splenizationA morbid state of the lung produced by inflammation, in which its tissue resembles that of the spleen.
• spleno-spleen
• splenocleisisClosure of the spleen, surgical procedure that induces the formation of fibrous tissue on the surface of the spleen to create a closure.
• splenoidOf, related to, or resembling the spleen.
• splenotoxinAny substance that is toxic to the spleen.
• spodogenousCaused by waste products; applied to an enlargement of the spleen caused by waste red blood cells.
• spodomancyDivination by means of ashes.
• spodumeneThe mineral lithium aluminium inosilicate (LiAl(SiO₃)₂), a pyroxene and ore of lithium, sometimes regarded as a gemstone, which may be greenish, yellowish or pinkish in appearance.
• spondylo-Vertebra; vertebral column (spine, spinal).