English Words Starting With S

• sclerite

  nounRare
  /ˈsklɪərʌɪt/A hard, plate-like part of the exoskeleton of an arthropod or the body wall of an invertebrate.
• scleritis

  nounC2+ / Low-frequency
  /sklɪəˈraɪtɪs/Inflammation of the sclera, the white outer layer of the eyeball.
• scleroderma

  nounVery low frequency (specialist/medical term)
  /ˌsklɪərə(ʊ)ˈdɜːmə/A chronic autoimmune disease characterized by hardening and tightening of the skin and connective tissues.
• scleroma

  nounExtremely Rare
  /sklɪə(ʊ)ˈrəʊmə/An abnormally hard patch of skin or connective tissue, or specifically, a chronic granulomatous disease affecting the nose and upper respiratory tract.
• sclerometer

  nounC2/Technical
  /sklɪəˈrɒmɪtə/An instrument for measuring the hardness of materials by scratching or indentation.
• sclerophyll

  adjectivenounC1/C2 - Specialized, Academic
  /ˈsklɪərə(ʊ)fɪl/A type of vegetation or plant, especially trees and shrubs, with hard, thick, leathery leaves that are adapted to long periods of dryness or drought.
• sclerophylly

  nounVery Low
  /ˌsklɪərə(ʊ)ˈfɪli/The condition of having hard, tough leaves, typically as an adaptation to dry or nutrient-poor environments.
• scleroprotein

  nounLow/Very Low
  /ˌsklɪərəʊˈprəʊtiːn/A type of structural protein that is tough and insoluble in water, forming connective and supportive tissues in animals.
• sclerosis

  nounC2
  /sklɪəˈrəʊsɪs/An abnormal hardening or stiffening of body tissues, especially due to excessive growth of fibrous tissue.
• sclerotherapy

  nounC2 (Very Low Frequency)
  /ˌsklɪərəʊˈθɛrəpi/A medical procedure to treat blood vessel malformations (like varicose veins) by injecting a sclerosing agent to cause intentional scarring and closure.
• sclerotic

  adjectivenounC2
  /sklɪəˈrɒtɪk/Relating to, affected by, or resembling sclerosis; abnormal hardening of body tissue.
• sclerotin

  nounVery low
  /ˈsklɪərətɪn/A nitrogenous substance that hardens and darkens the cuticle of insects and other arthropods.
• sclerotitis

  nounExtremely Rare/Technical
  /ˌsklɪə.rəʊˈtaɪ.tɪs/Inflammation of the sclera, the white outer layer of the eyeball.
• sclerotium

  nounC2
  /sklɪəˈrəʊʃɪəm/A compact, hard, dormant mass of fungal mycelium, often functioning as a survival structure.
• sclerotization

  nounLow
  /ˌsklɪə.rə.taɪˈzeɪ.ʃən/The biological process of hardening an insect's exoskeleton or other animal tissue.
• sclerotize

  verbVery Low
  /ˈsklɪərə(ʊ)ˌtʌɪz/To harden or become hard, especially referring to the process of an insect's cuticle or other arthropod tissue hardening and darkening.
• sclerotome

  nounVery Low
  /ˈsklɪərə(ʊ)təʊm/A segmental mass of mesenchymal tissue in a vertebrate embryo, derived from a somite, that develops into vertebrae and ribs.
• sclerotomy

  nounVery Low
  /sklɪəˈrɒtəmi/A surgical incision into the sclera (the white outer layer of the eyeball).
• scoby

  nounLow
  /ˈskəʊ.bi/A symbiotic culture of bacteria and yeast; the rubbery, gelatinous mass used to ferment kombucha tea and other beverages.
• scoff

  nounverbverb-intransitiveverb-transitiveB2
  /skɒf/to speak about or treat something with scornful disrespect or to eat something quickly and greedily.

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