Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z silentish Somewhat silent. silently In a silent manner; making no noise. silentness silence Silenus A companion and tutor to the wine god Dionysus. Sileo A surname. silepin A seven-membered unsaturated ring molecule containing a silicon atom. Siler A surname. Silerio A surname from Spanish. silesaurid Any extinct reptile in the family Silesauridae. silesia Silesian textile made of flax or cotton. Silesian Of or pertaining to Silesia. Silesianness The quality of being Silesian. siletane A saturated heterocycle having three carbon atoms and one silicon atom; any derivative of this compound Siletz A Native American tribe from Oregon. silex Flint. silexite Synonym of quartzolite. Silfies A surname. silflay The act of eating outdoors. Silguero A surname. Silhan A surname. Silhillian Of or relating to Solihull, England. silhouette An artistic depiction, often of a person's profile, in the form of an outline without any other visual details, similar to a shadow, made by cutting a piece of black paper, filling in an outline with a solid colour (usually black), etc. silhouettist A person who creates silhouettes. silhouettograph An instrument for outlining the human body in order to gauge posture etc. silhydrite An orthorhombic white mineral containing hydrogen, oxygen, and silicon. Siliana A farming town in northern Tunisia. silibinin The major active constituent of silymarin, believed to possess hepatoprotective properties. silica Silicon dioxide. silicaceous Synonym of siliceous. silicalite A polymorph of silica having a structure analogous to the zeolites silicane Synonym of silane. silicasome A tiny container, made from silica, used for drug-delivery in chemotherapy silicate Any salt of silica or of one of the silicic acids; any mineral composed of silicates. silicated Containing silicate or silica silicatein An enzyme used by sponges to capture silicate and build silica nanostructures silicatian Containing silicate anions. silication Any process that adds silicon to a material. silicatization silicification silicatize To silicify. silicene A monolayer of silicon atoms packed together to resemble graphene. siliceous Of, relating to, consisting of, or resembling silica or silicates. siliceousness The condition of being siliceous silician Containing silicon (especially when this replaces another element). silicic of, related to, or derived from silica silicicalcareous Consisting of silica and calcareous matter. siliciclastic Describing clastic rocks that bear quartz or similar silicate minerals silicicole Any silicicolous organism. silicicolous That lives in a siliceous environment silicidation The formation of a silicide. silicide Any compound of silicon with a more electropositive element silicidize To convert into a silicide. siliciferous yielding or bearing silica silicification Impregnation with silica; petrification. silicified Combined with silicon. silicifier A living organism that builds structures from silica. silicify to impregnate something with silica. silicisponge Any sponge having a silica skeleton silicited silicified silicium The chemical element silicon. siliciuretted Combined or impregnated with silicon. silicization the conversion of something into, or the reaction of something with silicon or silica silicle A short silique, such as the seed capsule (fruit) of shepherd's purse. silicoaluminate Synonym of aluminosilicate. silicoaluminophosphate A mixed silicate and aluminophosphate silicoated Having undergone the silicoating process. silicoating A technique for resin-metal bonding in dental prosthetics, involving silicon. silicocarbonatite A carbonatite that is rich in sodium. silicochloroform The silicon analog of chloroform SiHCl₃ silicoelastic elastic and manufactured from silicone silicoethane The silane SiH₃-SiH₃ silicoflagellate Any of many unicellular heterokont marine algae, of the order Dictyochales, that have a silica skeleton silicofluoric Containing, or composed of, silicon and fluorine. silicofluoride A fluosilicate; a salt of silicofluoric acid. silicofluoroform The compound SiHF₃ analogous to fluoroform silicomanganese An alloy consisting mainly of manganese and silicon. silicomethane Synonym of monosilane. silicomolybdate A yellow, complex oxyanion of silicate and molybdate; any salt containing this anion silicomolybdic Relating to silicomolybdic acid and its derivatives silicon A nonmetallic element (symbol Si) with an atomic number of 14 and atomic weight of 28.0855. siliconated Reacted or treated with elemental silicon silicone Any of a class of inert, semi-inorganic polymeric compounds (polysiloxanes), that have a wide range of thermal stability and extreme water repellence, used in a very wide range of industrial applications, and in prosthetic replacements for body parts. silicones Breasts that have been enhanced or reconstructed with silicone breast implants. Siliconite A person who lives or works in Silicon Valley. siliconization The process of siliconizing. siliconize To treat or coat with silicone. siliconized Treated or coated with silicone. siliconlike Resembling silicon. silicononane Silicon tetraethyl. siliconosis An illness caused by silicone gel. silicophilous That lives in an environment rich in silicate rocks silicophosphate Synonym of phosphosilicate. silicosiderosis A form of pneumoconiosis caused by inhalation of mixed dust containing silica and iron. silicosis A disease of the lungs caused by the inhalation of crystalline silica dust. silicotic Of, relating to, or affected with silicosis. silicotuberculosis silicosis-related tuberculosis. silicotuberculotic Of or pertaining to silicotuberculosis. silicotungstate Any salt or ester of silicotungstic acid. silicotungstic Relating to the silicotungstic acids silicristin A particular flavonoid and hepatoprotective. silicular Relating to a silicle. siliculose Bearing silicles. silicum silicon silicyne an allotrope of silicon, consisting of a long chain of silicon atoms linked together with either (1) disilene units [ ...=Si=Si=Si=...] or (2) disilyne units silidianin A flavonolignan found in milk thistle. Siliezar A surname from Spanish. Silifke A town in Mersin Province, Turkey. Siliguri A large city in northern West Bengal, India. silinaite A monoclinic-prismatic mineral containing hydrogen, lithium, oxygen, silicon, and sodium. silinane A saturated heterocycle that has five carbon atoms and a silicon atom siline Synonym of silabenzene Silipan An island of Brunei. silipide A complex of silymarin and phosphatidylcholine, approximately ten times more bioavailable than silymarin. siliqua A weight of four grains; a carat. siliquaceous Having siliques. siliquariid Any of the family Siliquariidae of sea snails. silique A long dry fruit (seed capsule), length more than twice the width, typical to cruciferous plants and consisting of two fused carpels that separate when ripe. siliquiferous Bearing a silique. siliquiform Having the form of a silique. siliquose Bearing siliques. siliquous siliquose Silistra A town in northeastern Bulgaria. silite a clear RTV silicone sealant, used for bonding, sealing and caulking Siljan A lake south of Mora, Dalarna County, the seventh largest in Sweden. silk A fine fiber excreted by the silkworm or other arthropod (such as a spider). silkaline A soft light cotton fabric resembling silk. silken Made of silk. silkenly In a silken manner. silker Someone who works with silk such as an embroiderer. silkette A cotton fabric that looks and feels like silk. silkgrass The flowering plant Yucca filamentosa. silkgrower A grower of silk. silkgrowing The (commercial) growing of silk. silkie A chicken of a certain breed with very fine, silk-like feathers, blue-black skin and bones, and five toes per foot (instead of the usual four). silkies Silky lingerie. silkily In a silky manner. Silkin A surname. silkiness The property of being silky. silkless Lacking silk. silklessness Absence of silk. silklike Synonym of silky, like silk. silklined Having a lining made of silk. silkman A male dealer in silk. silkmapin A protein found in Hyriopsis cumingii and involved in nacre formation. silkmoth Any moth whose caterpillar stage is a silkworm, especially Bombyx mori, the domestic silkmoth, but also others in the families Bombycidae and Saturniidae (as well as the Siberian silkmoth in the family Lasiocampidae). silkness silkiness silkpost A social media post, typically on Reddit, intended to, often humorously, deceive the reader about the Metroidvania video game Hollow Knight: Silksong (2025). silkpunk A subgenre of science fiction that depicts advanced technology combined with East Asian aesthetics and philosophy. silkscreen A sheet of material (originally silk but now synthetic) with areas that are porous to ink and others that are non-porous to allow printing of images, such as on T-shirts. silkstone binghamite Silksworth A southern suburb of the City of Sunderland, Tyne and Wear, England (OS grid ref NZ3752).