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English Words Starting With S
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- spiny dormouse/ˈspaɪni ˈdɔːmaʊs/A small rodent with spines or bristle‑like hairs, belonging to the family Gliridae.nounRare
- spiny lizard/ˈspaɪni ˈlɪzəd/A type of lizard characterized by having spiny scales, commonly found in North and Central America, belonging to genera such as Sceloporus.nounLow
- spiny lobster/ˈspaɪni ˈlɒbstə/A marine crustacean with a long, thick, segmented body, long antennae, and legs but no large claws.nounLow
- spiny rat/ˈspaɪni ˌræt/A rodent characterized by having stiff, sharp spines or bristles mixed with its fur, belonging to various families, particularly Echimyidae in the Americas.nounLow
- spiny-headed worm/ˌspaɪ.ni ˈhed.ɪd wɜːm/A parasitic worm belonging to the phylum Acanthocephala, characterized by a retractable proboscis covered in spines used to attach to the host's intestine.nounC2 (Very Low Frequency / Scientific)
- spiny-rayed fish/ˈspaɪni ˌreɪd ˈfɪʃ/A fish belonging to the large group Actinopterygii, characterized by having fins supported by bony spines rather than soft rays.nounC1
- spiracle/ˈspaɪ.rə.kəl/A small external opening for breathing, found in some animals like insects, sharks, and rays.nounLow
- spiraea/spaɪˈriːə/A genus of ornamental shrubs in the rose family, known for their clusters of small white or pink flowers.nounC2/Uncommon
- spiral/ˈspaɪrəl/A curve that winds around a central point while continuously moving away from or toward it, like a coiled spring or a snail shell.adjectivenounverb+2B2
- spiral arm/ˈspaɪərəl ɑːm/A long, curved structure in a spiral galaxy, composed of stars, gas, and dust, extending from the galactic center.nounLow in general use, Medium in technical contexts
- spiral bevel gear/ˈspaɪrəl ˈbiːvəl ɡɪə/A type of gear where teeth are cut at a spiral angle rather than straight, used to connect intersecting shafts at right angles with smoother operation than straight bevel gears.nounVery low (technical term)
- spiral binding/ˈspaɪrəl ˈbaɪndɪŋ/A method of bookbinding where pages are held together by a continuous wire or plastic coil that passes through holes punched along the edge.nounC1
- spiral casing/ˈspaɪərəl ˈkeɪsɪŋ/A curved, spiral-shaped housing or enclosing structure designed to channel fluid (typically water) evenly into a turbine runner in hydraulic machinery.nounLow
- spiral galaxy/ˌspaɪrəl ˈɡæləksi/A type of galaxy characterized by a flat, rotating disk of stars, gas, and dust, with a central bulge and luminous spiral arms.nounC1
- spiral gear/ˈspaɪərəl ɡɪə/A gear with teeth cut at an angle to its axis, forming a helical or spiral pattern around the gear.nounLow
- spiral nebula/ˌspaɪrəl ˈnebjʊlə/A historical astronomical term for a spiral-shaped, cloudy celestial object, now known to be a galaxy outside our own Milky Way.nounC2
- spiral of archimedes/ˌspaɪrəl əv ˌɑːkɪˈmiːdiːz/A planar curve defined by the motion of a point moving away from a fixed point with a constant speed along a line which itself rotates with constant angular velocity.nounVery Low
- spiral spring/ˈspaɪərəl sprɪŋ/A mechanical spring made from wound wire or metal strip that forms a spiral (helical) shape, which stores and releases energy by twisting or extending along its axis.nounLow Frequency
- spiral staircase/ˌspaɪərəl ˈsteəkeɪs/A staircase that winds around a central column or pole in a continuous curve.nounB2
- spiralize/ˈspaɪərəlaɪz/To form or cause to form a spiral shape; to cut vegetables into long, thin, spiral-shaped strands.verb-intransitiveverb-transitiveC1
Showing 10241–10260 of 15552 words.