English Words Starting With I

• internal iliac artery

  nounLow (Highly specialized medical term)
  /ɪnˈtɜː.nəl ˈɪl.i.æk ˈɑː.tər.i/A major artery that supplies blood to the pelvic organs, gluteal region, and medial thigh.
• internal market

  nounC1
  /ɪnˌtɜː.nəl ˈmɑː.kɪt/A system where goods, services, capital, and labor can move freely within a defined political or economic entity, without trade barriers.
• internal medicine

  nounC1
  /ɪnˌtɜː.nəl ˈmed.ɪ.sən/The branch of medicine that deals with the diagnosis and non-surgical treatment of diseases of the internal organs, especially in adults.
• internal rate of return

  nounLow
  /ɪnˌtɜːnəl reɪt əv rɪˈtɜːn/A metric used in capital budgeting to estimate the profitability of potential investments. It is the discount rate that makes the net present value of all cash flows from a particular project equal to zero.
• internal reconstruction

  nounLow / Very Low
  /ɪnˌtɜː.nəl ˌriː.kənˈstrʌk.ʃən/A method in historical linguistics for hypothesizing earlier stages of a language by analyzing irregularities within a single language, without comparison with related languages.
• internal relation

  nounC1
  /ɪnˈtɜː.nəl rɪˈleɪ.ʃən/A connection, link, or dependency that exists within a single entity, system, or concept, where the parts are defined by their relationship to each other.
• internal resistance

  nounC1
  /ɪnˌtɜː.nəl rɪˈzɪs.təns/The force within a person, group, or system that opposes change or external influence.
• internal revenue

  nounLow (C1-C2 vocabulary, primarily used in formal/official contexts)
  /ɪnˌtɜː.nəl ˈrev.ən.juː/Tax revenue collected by a national government from domestic sources.
• internal revenue service

  nounMedium
  /ɪnˌtɜː.nəl ˈrev.ən.juː ˌsɜː.vɪs/The United States government agency responsible for collecting federal taxes and enforcing tax laws.
• internal rhyme

  nounC1
  /ɪnˌtɜː.nəl ˈraɪm/A rhyme involving words within the same line of poetry or verse.
• internal secretion

  nounC1
  /ɪnˌtɜː.nəl sɪˈkriː.ʃən/A substance (hormone) produced by an endocrine gland and released directly into the bloodstream or surrounding tissues to regulate bodily functions.
• internal stress

  nounB2 (in context), generally low frequency
  /ɪnˌtɜː.nəl ˈstres/Psychological or emotional pressure originating from within an individual, organisation, or system.
• internal-combustion engine

  nounC1
  /ɪnˌtɜːnəl kəmˈbʌstʃən ˈenʤɪn/An engine that generates power by burning fuel (like petrol/gasoline or diesel) inside a confined space, causing the expansion of hot gases that push pistons to create motion.
• internalization

  nounmedium
  /ɪnˌtɜː.nə.laɪˈzeɪ.ʃən/The process of making something internal, especially adopting beliefs, attitudes, or standards as one's own.
• internalize

  verbverb-transitiveC1
  /ɪnˈtɜː.nə.laɪz/To make a concept, belief, or attitude a natural part of one's thinking or personality.
• international

  adjectivenounB1
  /ˌɪn.təˈnæʃ.ən.əl/Involving or existing between two or more nations or countries; crossing national boundaries.
• international association of lions clubs

  nounLow
  /ˌɪn.təˌnæʃ.ən.əl əˌsəʊ.siˈeɪ.ʃən əv ˈlaɪ.ənz klʌbz/The official name of the global service organization known as Lions Clubs International.
• international atomic time

  nounC2
  /ˌɪn.təˌnæʃ.ən.əl əˈtɒm.ɪk taɪm/A high-precision time scale calculated by averaging the readings from atomic clocks worldwide, serving as the primary global time standard.
• international bank for reconstruction and development

  nounB2
  /ˌɪn.təˌnæʃ.ən.əl ˈbæŋk fə ˌriː.kənˌstrʌk.ʃən ənd dɪˈvel.əp.mənt/A specific international financial institution and specialized agency of the United Nations, established in 1944 at the Bretton Woods Conference.
• international brigade

  nounC1
  /ˌɪntəˈnæʃ(ə)nəl brɪˈɡeɪd/A military unit formed of volunteers from multiple countries fighting in a foreign conflict, especially those who fought for the Spanish Republic against Franco's Nationalists (1936–1939).

Showing 2461–2480 of 3621 words.