In this article, you will discover a comprehensive list of science-related words that start with the letter ‘S.
- Satellite- An artificial or natural body that orbits a planet.
- Supernova- A massive explosion that occurs when a star exhausts its nuclear fuel.
- Sulfur- A yellow chemical element used in manufacturing and agriculture.
- Symbiosis- Interaction between two different organisms living in close physical association.
- Solar- Relating to or determined by the sun.
- Solvent- A substance that dissolves a solute, forming a solution.
- Synapse- The junction between two neurons for transmitting electrical signals.
- Sediment- Particles of rock, sand, and soil deposited by water, wind, or ice.
- Species- A group of living organisms consisting of similar individuals capable of exchanging genes.
- Seismology- The study of earthquakes and the propagation of elastic waves through the Earth.
- Spectrum- The band of colors produced when sunlight passes through a prism.
- Synthesis- The production of chemical compounds by the reaction of simpler materials.
- Spore- A reproductive cell capable of developing into a new individual without fusion with another cell.
- Solution- A homogeneous mixture composed of two or more substances.
- Stratosphere- The second major layer of Earth’s atmosphere, just above the troposphere.
- Subatomic- Smaller than an atom; referring to particles such as protons, neutrons, and electrons.
- Saturation- The state in which a substance cannot absorb any more of another substance.
- Synergy- The interaction of elements that when combined produce a total effect greater than the sum of the individual elements.
- Stimulus- A thing or event that evokes a specific functional reaction in an organ or tissue.
- Salinity- The concentration of salt in water.
- Stalactite- A tapering structure hanging from the ceiling of a cave, formed of calcium salts deposited by dripping water.
- Stalagmite- A mound or column rising from the floor of a cave, formed of calcium salts deposited by dripping water.
- Strain- A genetic variant or subtype of a microorganism.
- Sublimation- The transition of a substance directly from the solid to the gas state without passing through the liquid state.
- Scalar- A quantity having only magnitude, not direction.
- Speciesism- The assumption of human superiority leading to the exploitation of animals.
- Splicing- The process of joining two or more pieces of DNA together.
- Systematics- The scientific study of the diversity of organisms and their evolutionary relationships.
- Sporangiophore- A specialized hyphal branch that bears a sporangium (a spore-producing structure).
- Semiconductor- A material that partially conducts electricity, used in electronic devices.
- Solstice- The time of the year when the sun reaches its highest or lowest point in the sky at noon.
- Synchrotron- A type of cyclic particle accelerator in which the magnetic field and the electric field are synchronized.
- Sarcophagus- A stone coffin, typically adorned with a sculpture or inscription.
- Saponification- The chemical reaction between a fat or oil and a base to produce soap.
- Supersaturation- The condition of a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances.
- Subspecies- A taxonomic category that ranks below species, usually a relatively permanent geographically isolated race.
- Saturated- Containing the maximum possible amount of solute in a solvent.
- Supersonic- Relating to or involving a speed greater than that of sound.
- Serotonin- A compound present in blood platelets and serum that constricts the blood vessels and acts as a neurotransmitter.
- Suture- A stitch or row of stitches holding together the edges of a wound or surgical incision.
- Striation- A series of ridges, furrows, or linear marks.
- Sterilization- The process of making something free from bacteria or other living microorganisms.
- Spindle- A slender rod used for spinning, twisting fibers such as wool, flax, or cotton.
- Solvent extraction- The process of separating compounds based on their relative solubilities in two different immiscible liquids.
- Silicon- A chemical element used in semiconductors and microelectronics.
- Scalar field- A field of scalars, such as temperature or pressure in a given space.
- SAR (Specific Absorption Rate)- A measure of the rate at which energy is absorbed by the human body when exposed to a radio frequency electromagnetic field.
- Scintillation- A small flash or sparkle of light.
- Stenothermal- Able to tolerate only a narrow range of temperatures.
- Stochastic- Randomly determined; having a random probability distribution or pattern.
- Strain gauge- A device used to measure the strain of an object.
- Solubility- The property of a substance that can be dissolved in a solvent.
- Syphilis- A sexually transmitted bacterial infection caused by the bacterium Treponema pallidum.
- SAR (Synthetic Aperture Radar)- A form of radar that creates two-dimensional images or three-dimensional reconstructions of objects.
- Solid state- The state of matter characterized by atoms arranged in a fixed, closely packed structure.
- Sea level- The average level of the surface of the ocean measured along a shoreline.
- Sublime- To cause a substance to change directly from a solid to a gas without becoming a liquid.
- Salivation- The production and secretion of saliva.
- Stasis- A period or state of inactivity or equilibrium.
- Steppes- Large areas of flat, unforested grassland.
- Supplant- To supersede and replace.
- Synaptic- Relating to synapses between neurons.
- Serology- The study and diagnostic examination of blood serum.
- Scalariform- Shaped like a ladder.
- Stochastic process- A process involving a sequence of random variables.
- Synchronicity- The simultaneous occurrence of events related by meaning rather than by cause.
- Subordination- The action or state of subordinating or of being subordinate.
- Semantics- The branch of linguistics concerned with meaning.
- Spheroid- A three-dimensional shape resembling a sphere.
- Scruple- A unit of weight equal to 20 grains.
- Saccharomyces- A genus of fungi that includes many species of yeast.
- Shepherding- The act of guiding or directing a group or individual.
- Spectrograph- An instrument that separates light into its component colors.
- Silicon dioxide- A hard, unreactive, colorless compound that occurs widely as the mineral quartz and as a principal constituent of sandstone and other rocks.
- Sinusitis- Inflammation of a nasal sinus.
- Solenoid- A cylindrical coil of wire acting as a magnet when carrying electric current.
- Speciation- The formation of new and distinct species in the course of evolution.
- Siphon- A tube used to convey liquid upwards from a reservoir and then down to a lower level.
- Sacrum- A large, triangular bone at the base of the spine.
- Scapula- The shoulder blade.
- Surfactant- A substance that reduces the surface tension of a liquid.
- Selenium- A chemical element used in electronic and photocopier components.
- Schist- A medium-grade metamorphic rock.
- Scoliosis- A lateral curvature of the spine.
- Saliva- Watery liquid secreted into the mouth by glands.
- Sphincter- A ring-like muscle that tightly constricts the opening of a passage.
- Spectrometer- An apparatus used to measure the properties of light.
- Synecology- The ecological study of whole plant or animal communities.
- Spinal cord- The cylindrical bundle of nerve fibers and associated tissue enclosed in the spine.
- Sunspot- A cooler, darker spot on the surface of the sun.
- Sympathetic- Relating to the part of the autonomic nervous system that often produces a fight-or-flight response.
- Synonym- A word having the same or nearly the same meaning as another.
- Stratigraphy- The study of rock layers and strata.
- Suppressor- A gene or substance that suppresses the expression of another gene.
- Synovial- Relating to or denoting a type of joint that is surrounded by a flexible, lubricated capsule.
- Scintillator- A substance that glows when exposed to high-energy radiation.
- Staphylococcus- A genus of bacteria that are Gram-positive and cluster like grapes.
- Serotonin syndrome- A potentially life-threatening condition associated with increased serotonin in the central nervous system.
- Sievert- A unit of ionizing radiation dose.
- Superiority- The quality or state of being higher in rank, status, or quality.