English Words Starting With S

• scintigraphy

  nounLow
  /sɪnˈtɪɡrəfi/A diagnostic imaging technique in nuclear medicine that creates visual images of the distribution of radioactive tracer material injected into the body.
• scintilla

  nounLow (C2 level vocabulary)
  /sɪnˈtɪlə/A minute trace or particle; a tiny amount.
• scintillate

  verbverb-intransitiveverb-transitiveC2
  /ˈsɪntɪleɪt/To emit sparks or flashes of light; to sparkle brilliantly.
• scintillation

  nounC2
  /ˌsɪntɪˈleɪʃ(ə)n/A flash or sparkle of light; a brief, brilliant emission of light.
• scintillation counter

  nounC2
  /ˌsɪntɪˈleɪʃən ˈkaʊntə/A scientific instrument that detects and measures ionizing radiation by counting the light flashes (scintillations) produced when radiation interacts with a phosphor material.
• scintillation spectrometer

  nounRare / Specialized
  /ˌsɪntɪˈleɪʃən spɛkˈtrɒmɪtə/A scientific instrument that measures the energy spectrum of radiation by detecting and analyzing the flashes of light (scintillations) produced when radiation interacts with a specific material.
• scintillator

  nounVery Low
  /ˈsɪntɪleɪtə(r)/A material or device that emits light flashes (scintillation) when excited by ionizing radiation.
• scintillometer

  nounVery Low / Technical
  /ˌsɪntɪˈlɒmɪtə/A scientific instrument for measuring the scintillation (twinkling) of stars, or the scintillation intensity of materials.
• scintillon

  nounExtremely Low
  /ˈsɪntɪlɒn/A theoretical or niche unit of something that flashes or sparkles with light; sometimes used metaphorically for a tiny, brilliant flash or spark.
• scintiscanner

  nounVery Low (Specialist)
  /ˈsɪntɪˌskænə/A medical imaging device that detects and maps gamma radiation from radioactive tracers administered to a patient.
• sciolism

  nounC2+
  /ˈsʌɪəlɪz(ə)m/Superficial or pretentious knowledge; a show of learning about something while actually knowing little.
• sciomachy

  nounextremely rare/archaic
  /saɪˈɒməki/A battle with shadows; fighting an imaginary enemy.
• sciomancy

  nounExtremely Rare
  /ˈsʌɪə(ʊ)mansi/Divination by means of communicating with or interpreting the shadows of the dead.
• scion

  nounLow frequency
  /ˈsʌɪən/A young shoot or twig of a plant used for grafting; a descendant or heir, especially of a notable family.
• sciophyte

  nounC2 (Very Low Frequency)
  /ˈsaɪə(ʊ)fʌɪt/A plant that thrives in shade or low light conditions.
• sciosophy

  nounExtremely Rare / Obscure
  /saɪˈɒsəfi/A system of knowledge or belief that pretends to be scientific but lacks any genuine scientific basis; pseudoscience or pretentious, unfounded knowledge.
• scioto

  nounExtremely Rare (Proper noun; regional/local usage)
  /saɪˈəʊ.təʊ/A proper noun, specifically the name of a river in central Ohio, USA.
• scipio

  nounVery Rare
  /ˈskɪpɪəʊ/An antique Roman surname, most famously associated with Scipio Africanus, a Roman general who defeated Hannibal in the Second Punic War.
• scire facias

  nounC2 (Very low frequency, specialist legal term)
  /ˌskɪəreɪ ˈfeɪʃɪæs/A writ or legal order from a court, requiring the recipient to appear and show cause why a judgment previously granted should not be annulled, executed, or vacated.
• scirocco

  nounlow
  /ʃɪˈrɒkəʊ/A hot, dry, dust-laden wind that blows from the Sahara across the Mediterranean to southern Europe.

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