English Words Starting With E

• extension

  adjectivenounHigh
  /ɪkˈstɛnʃ(ə)n/The act of making something longer or larger; a part that is added to something to enlarge or prolong it.
• extension agent

  nounLow
  /ɪkˈstɛnʃən ˈeɪdʒ(ə)nt/A professional employed by a governmental or university extension service to provide education and practical advice to farmers and rural communities.
• extension bolt

  nounLow/Technical
  /ɪkˈstɛnʃən bəʊlt/A threaded bolt used to extend the length of a threaded rod, shaft, or another bolt, typically by screwing onto it.
• extension cord

  nounB1
  /ɪkˈstɛnʃən kɔːd/A flexible electrical cable with a plug on one end and one or more sockets on the other, used to temporarily extend the reach of a power source.
• extension courses

  nounB2
  /ɪkˈsten.ʃən ˈkɔː.sɪz/Courses offered by a university or college, typically outside the standard curriculum and regular academic schedule, often aimed at part-time or non-traditional students.
• extension field

  nounC1
  /ɪkˈstenʃn̩ fiːld/A field that contains a smaller field as a subset.
• extension ladder

  nounB2
  /ɪkˈstɛnʃən ˌladə/A ladder consisting of two or more sections that can be slid apart to increase its length, typically used for reaching high places.
• extension library service

  nounC1 (Specialized / Professional)
  /ɪkˈstenʃn ˈlaɪbrəri ˈsɜːvɪs/A library service that reaches users outside the main library building, typically through mobile libraries, home delivery, or service points in remote or underserved communities.
• extension ring

  nounLow (specialist/technical term)
  /ɪkˈstɛnʃən rɪŋ/A supplementary ring-shaped component added between two parts of a device to increase its length or distance.
• extension rule

  nounC1
  /ɪkˈstɛnʃən ruːl/A mathematical or logical principle that allows a statement or procedure proven for a certain set of objects to be applied to a larger, more comprehensive set.
• extension tube

  nounC1
  /ɪkˈstɛnʃən tjuːb/A hollow cylindrical accessory used in photography to fit between a camera body and a lens to enable closer focusing for macro photography.
• extensionist

  nounVery Low/Rare
  /ɪkˈstɛnʃənɪst/A person who promotes or advocates for expansion, especially the extension of territory, influence, or rights.
• extensity

  nounC2 / Very Low
  /ɪkˈstɛnsɪti/The property of having spatial extent or occupying space; the quality of being extensive in scope or range.
• extensometer

  nounvery low
  /ˌɛkstɛnˈsɒmɪtə/An instrument for measuring minute changes in the length of an object under stress.
• extensor

  nounC2
  /ɪkˈstensə(r)/A muscle that straightens or extends a limb or part of the body.
• extent

  nounHigh
  /ɪkˈstɛnt/The degree, scale, or scope to which something applies or exists.
• extenuate

  verbverb-transitiveC1
  /ɪkˈstɛn.ju.eɪt/To make an offense or fault seem less serious by providing partial excuses or mitigating circumstances.
• extenuating circumstance

  nounC1
  /ɪkˌsten.ju.eɪ.tɪŋ ˈsɜː.kəm.stɑːns/A fact or situation that makes a mistake or wrongdoing seem less serious or provides partial justification for it.
• extenuation

  nounLow (Formal/Legal)
  /ɪkˌstɛnjuˈeɪʃən/The act or fact of making a fault or offense seem less serious or more forgivable.
• exterior

  adjectivenounB1
  /ɪkˈstɪə.ri.ər/The outer surface or structure of something; the outside.

Showing 4641–4660 of 4896 words.