English Words Starting With I

• ignition key

  nounC1
  /ɪɡˈnɪʃ.ən ˌkiː/A physical key used to start a vehicle's engine by turning it in the ignition switch.
• ignition point

  nounC1
  /ɪɡˈnɪʃn pɔɪnt/The temperature at which a material will spontaneously ignite and sustain combustion.
• ignition system

  nounC1
  /ɪɡˈnɪʃ.ən ˌsɪs.təm/The system in an internal combustion engine that initiates the burning of the fuel-air mixture, typically consisting of components like the spark plug, ignition coil, distributor, and battery.
• ignitron

  nounVery low / technical term
  /ˈɪɡnɪtrɒn/A type of mercury-arc rectifier (gas-filled tube) used for controlling high-power electrical currents.
• ignominy

  nounC1-C2
  /ˈɪɡnəmɪni/Public shame and loss of honour or respect.
• ignoramus

  nounC1
  /ˌɪɡ.nəˈreɪ.məs/An ignorant or stupid person.
• ignorance

  nounB2
  /ˈɪɡnərəns/The state of lacking knowledge, information, or awareness about something.
• ignoratio elenchi

  nounC2
  /ˌɪɡnəˈreɪʃiəʊ ɪˈlɛŋki/A logical fallacy where one argues for a conclusion different from the one under discussion.
• ignore

  nounverbverb-transitiveB2
  /ɪɡˈnɔː(r)/To deliberately pay no attention to something or someone; to refuse to acknowledge or notice.
• ignotum per ignotius

  nounC2
  /ɪɡˌnəʊ.təm pɜːr ɪɡˈnəʊ.ti.ʊs/Explaining the unknown by means of something even more unknown
• igorot

  nounVery Low
  /ˌɪɡəˈrəʊt/A collective name for several indigenous ethnic groups in the Cordillera region of northern Luzon, Philippines.
• igraine

  nounExtremely Low
  /ɪˈɡreɪn/A proper noun referring to a legendary figure from Arthurian mythology, the mother of King Arthur.
• iguacu

  nounC1
  /ˌɪɡwəˈsuː/A proper noun referring primarily to the Iguacu Falls, a massive waterfall system on the border of Brazil and Argentina.
• iguacu falls

  nounC1
  /ˌɪɡwɑːˈsuː ˈfɔːlz/A massive and famous waterfall system located on the border between Brazil and Argentina.
• iguana

  nounC1
  /ɪˈɡwɑːnə/A large, primarily herbivorous lizard native to tropical areas of Central and South America, the Caribbean, and parts of the southwestern United States, known for its distinctive row of spines along its back and a dewlap under its throat.
• iguanid

  adjectivenounVery Low
  /ɪˈɡwɑːnɪd/A lizard belonging to the family Iguanidae, which includes iguanas, anoles, and basilisks.
• iguanodon

  nounC1
  /ɪˈɡwɑːnədɒn/A large, herbivorous dinosaur of the early Cretaceous period, characterized by thumb spikes and a beak-like mouth.
• iguassu

  nounLow
  /ˌɪɡwəˈsuː/A major river in South America, forming part of the border between Brazil and Argentina, and the site of one of the world's largest waterfall systems.
• iguassu falls

  nounC1
  /ˌɪɡwəˈsuː fɔːlz/A massive system of waterfalls on the border between Brazil and Argentina.
• iguazu

  nounLow
  /ˌɪɡwəˈzuː/A proper noun referring to the Iguazu Falls, a massive waterfall system on the border of Argentina and Brazil.

Showing 361–380 of 3621 words.