English Words Starting With E

• eponym

  nounC2
  /ˈɛpənɪm/a person after whom something is named.
• eponymy

  nounC2
  /ɪˈpɒnəmi/The relationship between a real or fictional person (the eponym) and something named after that person, such as a place, institution, discovery, or concept.
• epopee

  nounRare / Literary
  /ˈɛpəpiː/A long, heroic poem narrating the deeds and adventures of a legendary hero or a nation's history.
• epos

  nounC1-C2 / Very low frequency
  /ˈɛpɒs/An epic poem, or the collective body of epic poetry forming the early oral tradition of a society.
• epoxidation

  nounVery Low Frequency
  /ɪˌpɒksɪˈdeɪʃ(ə)n/A chemical reaction in which an epoxide group (a three-membered ring consisting of an oxygen atom bonded to two adjacent carbon atoms) is introduced into a molecule.
• epoxide

  nounC1/C2
  /ɛˈpɒksaɪd/A cyclic ether with a three-membered ring (one oxygen and two carbon atoms), known for its reactivity, particularly in polymerisation reactions.
• epoxidize

  verb-transitiveC2/Technical
  /ɪˈpɒksɪdʌɪz/To convert a compound into an epoxide, typically by adding an oxygen atom across a carbon-carbon double bond.
• epoxy

  adjectivenounverb-transitiveC1
  /ɪˈpɒk.si/A strong, durable type of synthetic resin or adhesive that sets through a chemical reaction between two components, a resin and a hardener.
• epoxy resin

  nounC1
  /ɪˌpɒksi ˈrɛzɪn/A strong, durable synthetic polymer used as an adhesive, coating, or structural material, formed by mixing two components that chemically react and harden.
• epping

  nounVery Low (as a common word)
  /ˈɛpɪŋ/The word "epping" is not a standard lexical entry in modern English dictionaries. It is most commonly recognized as a proper noun referring to a place name.
• epping forest

  nounB2
  /ˌɛpɪŋ ˈfɒrɪst/A large ancient woodland and former royal forest in Greater London and Essex, England.
• eprom

  acronymnounLow
  /ˈiːprɒm/A type of programmable read-only memory chip that can be erased by exposure to ultraviolet light and reprogrammed.
• epsilon

  nounLow (C2)
  /ˈɛpsɪlɒn/The fifth letter of the Greek alphabet (Ε, ε).
• epsilon-neighborhood

  nounLow. Exclusively used in advanced mathematics, formal logic, and technical theoretical fields.
  /ˌɛpsɪlɒn ˈneɪbəhʊd/In mathematics, especially topology and analysis, an epsilon-neighborhood is the set of all points whose distance from a given point is less than epsilon, a specified small positive number. It is a formal way to describe "points arbitrarily close" to a central point.
• epsom

  nounLow (mostly proper noun, appears mainly in specific contexts like sports news, healthcare, or geography)
  /ˈɛpsəm/A place name; specifically, a town in Surrey, England, famous for its historic horse races (The Derby, Oaks) and natural springs.
• epsom salt

  nounC1
  /ˌɛpsəm ˈsɔːlt/A white crystalline hydrated magnesium sulfate, used medicinally, especially as a laxative and for soaking to relieve muscle soreness.
• epsom salts

  nounLow
  /ˌɛpsəm ˈsɔːlts/A white crystalline compound, magnesium sulfate heptahydrate, used as a medicinal laxative and for soaking sore muscles.
• epsomite

  nounC2
  /ˈɛpsəmaɪt/A hydrous magnesium sulfate mineral (MgSO₄·7H₂O), also known as Epsom salt in its processed form.
• epstein

  nounC1
  /ˈɛpstaɪn/A surname, primarily associated with the disgraced financier Jeffrey Epstein, whose name became a metonym for wealthy sexual predation, abuse networks, and high-profile cover-ups.
• epstein-barr virus

  nounLow
  /ˌɛpstaɪn ˈbɑː ˌvaɪrəs/A common human herpesvirus that causes infectious mononucleosis (glandular fever) and is associated with certain cancers.

Showing 2961–2980 of 4896 words.