English Words Starting With I

• ionotropy

  nounVery Low
  /ˌaɪ.əˈnɒ.trə.pi/A change in ion concentration; the regulation or movement of ions in a system.
• iontophoresis

  nounVery Low (C2/Specialist)
  /ˌaɪ.ɒn.təʊ.fəˈriː.sɪs/A medical technique using a small electric current to deliver medication through the skin.
• ioshkar-ola

  nounVery low (Specialist/Geographical)
  /ˌjɒʃkɑːr əʊˈlɑː/The capital and largest city of the Mari El Republic in Russia.
• iota

  nounC2
  /aɪˈəʊ.tə/The ninth letter of the Greek alphabet (Ι, ι); an extremely small amount or quantity.
• iotacism

  nounC2
  /aɪˈɒtəsɪz(ə)m/A pronunciation shift where a vowel sound changes towards the 'ee' sound (like the Greek letter iota, ι).
• iou

  nounC1
  /ˌaɪ əʊ ˈjuː/An informal written acknowledgement of a debt, typically abbreviated from 'I Owe You'.
• iowa

  nounC1
  /ˈaɪ.ə.wə/A state in the midwestern United States, known for agriculture.
• iowa city

  nounLow
  /ˈaɪəwə ˈsɪti/A city in the U.S. state of Iowa, home to the University of Iowa.
• iowan

  adjectivenounC1
  /ˈaɪ.ə.wən/A native or inhabitant of the U.S. state of Iowa.
• ip address

  nounC1
  /ˌaɪ ˈpiː əˌdres/A unique numerical identifier assigned to each device on a computer network.
• ipad

  nounC1
  /ˈaɪ.pæd/A brand of tablet computers designed, developed, and marketed by Apple Inc., featuring a touchscreen interface.
• ipatieff

  nounVery Low
  /ɪˈpætɪɛf/A Russian surname, most notably associated with the chemist Vladimir Ipatieff.
• ipecac

  nounC2
  /ˈɪpɪkæk/A medicinal root, or its extract, used to induce vomiting.
• ipecac spurge

  nounVery Low
  /ˌɪp.ɪ.kæk ˈspɜːdʒ/A specific type of plant, Euphorbia ipecacuanhae, native to the eastern United States, historically used as an emetic (to induce vomiting).
• ipecac syrup

  nounC2/Rare
  /ˈɪpɪkæk ˈsɪrəp/A medicinal preparation made from the dried roots of the ipecacuanha plant (Carapichea ipecacuanha), historically used as an emetic to induce vomiting, particularly in cases of poisoning.
• ipecacuanha

  nounRare
  /ˌɪpɪkækjʊˈɑːnə/A medicinal plant native to Brazil, or the dried root of this plant, used to induce vomiting.
• iphianassa

  nounVery Low
  /ˌɪfɪəˈnæsə/A proper noun, a female name from Greek mythology.
• iphicles

  nounExtremely Rare / Archaic
  /ˈɪpɪkliːz/A plural noun referring to a non-standard, humorous, or literary term for 'nephews'.
• iphigenia

  nounC2
  /ˌɪfɪdʒɪˈnʌɪə/Proper noun: the name of a mythological Greek princess, daughter of Agamemnon and Clytemnestra, who was sacrificed by her father to appease the goddess Artemis.
• iphigenia in aulis

  nounVery Low
  /ˌɪfɪdʒɪˈnaɪə ɪn ˈɔːlɪs/A classical Greek tragedy by Euripides, centering on the story of Iphigenia, the daughter of King Agamemnon, who is sacrificed by her father at Aulis to appease the goddess Artemis and ensure favourable winds for the Greek fleet sailing to Troy.

Showing 2941–2960 of 3621 words.