English Words Starting With I

• inˈcendiaˌrism

  nounC2
  /ɪnˈsendiərɪz(ə)m/The criminal act of deliberately setting property on fire; arson.
• inˈjector

  nounC1
  /ɪnˈdʒɛktə/A device or person that forces a fluid or gas into something, or introduces something new into a system.
• inˈsomniˌac

  adjectivenounC1
  /ɪnˈsɒm.ni.æk/A person who suffers from chronic inability to sleep or to remain asleep throughout the night.
• inˈternment

  nounLow
  /ɪnˈtɜːnmənt/The state of being confined as a prisoner, especially for political or military reasons without trial.
• inˈterroˌgator

  nounC1
  /ɪnˈter.ə.ɡeɪ.tər/A person, often an official, whose role is to formally question someone, especially to obtain information, a confession, or intelligence, typically in a systematic, intense, or prolonged manner.
• inˈtruder

  nounB2
  /ɪnˈtruːdə(r)/A person or thing that enters a place or situation without permission, right, or invitation.
• inˈvestiˌgator

  nounB2
  /ɪnˈvestɪɡeɪtə(r)/A person who carries out a formal inquiry or examination to discover facts and gather information.
• inˌvagiˈnation

  nounVery low (specialist/technical term)
  /ˌɪn.vædʒ.ɪˈneɪ.ʃən/The process of folding or being turned inwards to form a pouch or cavity.
• io

  nounC1-C2
  /ˈaɪəʊ/The word 'io' is primarily an exclamation or interjection expressing strong emotion, particularly triumph, joy, or celebration, derived from Latin.
• io moth

  nounLow
  /ˈaɪəʊ ˌmɒθ/A large, vividly colored North American moth (Automeris io) with distinctive eyespots on its hindwings.
• io-to

  nounNon-existent / Zero
  The provided input 'io-to' does not correspond to a standard English word, phrase, or widely recognized term.
• ioannina

  nounRare (Proper Noun)
  /ˌjəʊˈænɪnə/A city in northwestern Greece, the capital of the Epirus region.
• iobates

  nounExtremely Low
  /aɪˈɒbətiːz/A proper noun referring to Iobates, a king in Greek mythology, the father of Stheneboea and father-in-law of Bellerophon.
• iodate

  nounverbverb-transitiveC2 (Highly specialized technical term)
  /ˈaɪ.ə.deɪt/A salt or ester of iodic acid containing the radical IO3.
• iodic acid

  nounC2
  /ˌaɪˈɒd.ɪk ˈæs.ɪd/A white crystalline inorganic acid with the chemical formula HIO₃, containing iodine in a +5 oxidation state.
• iodide

  nounLow
  /ˈaɪədaɪd/A compound containing iodine and one other element, usually a metal; specifically the I⁻ anion.
• iodimetry

  nounVery Low (C2/Technical)
  /ˌaɪ.ə(ʊ)ˈdɪm.ɪ.tri/A quantitative analytical technique for determining the concentration of oxidizing agents by measuring the amount of iodine they liberate or react with.
• iodinate

  verb-transitiveC2
  /ˈaɪ.ə.dɪ.neɪt/To introduce iodine into a compound or to treat with iodine.
• iodine

  nounC1
  /ˈaɪ.ə.diːn/A dark-grey, non-metallic chemical element (symbol I, atomic number 53) that is essential for human thyroid function, commonly used as an antiseptic.
• iodine 131

  nounC1+
  /ˈaɪ.ə.diːn wʌn θriː ˈwʌn/A radioactive isotope of iodine with a half-life of about eight days, commonly used in medicine for treating thyroid conditions and as a radioactive tracer.

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