English Words Starting With E

• euchology

  nounVery Low
  /juːˈkɒlədʒi/A book of prayers or the formulary for prayers, especially in the Eastern Orthodox and Eastern Catholic Churches.
• euchre

  nounverbverb-transitiveLow
  /ˈjuːkə/To defeat or outwit someone, especially by gaining an advantage through trickery or by preventing them from winning tricks in a specific card game.
• euchromatin

  nounLow/Very Low
  /juːˈkrəʊmətɪn/A lightly packed form of chromatin (DNA and proteins) that is rich in gene concentration and is typically under active transcription.
• euchromosome

  nounC2
  /ˈjuːkrəʊməsəʊm/A chromosome that is not a sex chromosome; an autosome.
• eucken

  nounVery low
  /ˈɔɪkən/A surname of German origin, specifically referring to the German philosopher Rudolf Eucken (1846–1926), winner of the Nobel Prize in Literature in 1908.
• euclase

  nounVery low (Lexical obscurity, restricted to technical/mineralogical contexts).
  /ˈjuːkleɪz/A rare, brittle, pale-coloured gemstone mineral composed of beryllium aluminium silicate hydroxide.
• euclid

  nounLow
  /ˈjuː.klɪd/A name, specifically referring to the ancient Greek mathematician Euclid, often used metonymically to refer to his system of geometry.
• euclidean algorithm

  nounVery Low Frequency (Specialist)
  /juːˌklɪd.i.ən ˈæl.ɡə.rɪ.ðəm/An efficient method for computing the greatest common divisor (GCD) of two integers by repeatedly applying the principle that the GCD of two numbers also divides their difference.
• euclidean geometry

  nounC1-C2
  /juːˌklɪd.i.ən dʒiˈɒm.ə.tri/The system of geometry based on the axioms and postulates of Euclid, describing the properties of flat, two-dimensional planes and three-dimensional space.
• euclidean group

  nounVery Low
  /juːˌklɪd.iː.ən ˈɡruːp/A mathematical group consisting of all distance-preserving transformations (rigid motions) of Euclidean space. This includes rotations, translations, reflections, and glide reflections.
• euclidean space

  nounC2
  /juːˌklɪd.i.ən ˈspeɪs/A mathematical concept describing a geometric space in which Euclid's axioms of geometry hold, characterized by a set of points with a defined distance between any two of them.
• eucrite

  nounVery Low
  /ˈjuːkrʌɪt/A type of achondritic stony meteorite, rich in calcium-poor pyroxene and plagioclase feldspar, believed to originate from the crust of the asteroid 4 Vesta.
• eucryphia

  nounVery Low
  /juːˈkrɪfɪə/A genus of flowering trees or shrubs, native to the southern hemisphere.
• eucryptite

  nounVery rare / Technical
  /juːˈkrɪp.taɪt/A rare, brittle, lithium-aluminium silicate mineral (LiAlSiO4) typically found in granite pegmatites.
• eudemon

  nounVery low (archaic/obsolete).
  /juːˈdiːmən/A good or benevolent spirit or demon; a guiding genius.
• eudemonia

  nounC2/Extremely Rare
  /juːdɪˈməʊnɪə/A state of happiness, well-being, and human flourishing, often as a result of living a virtuous and purposeful life.
• eudemonics

  nounVery Rare / Obscure
  /juːdɪˈmɒnɪks/The art or theory of happiness; a system for achieving human well-being and flourishing.
• eudemonism

  nounVery Rare
  /juːˈdiːmənɪz(ə)m/An ethical theory that defines right action as that which promotes happiness or well-being.
• eudicotyledon

  nounC2
  /ˌjuːdaɪˌkɒtɪˈliːd(ə)n/A major group of flowering plants characterized by having two seed leaves (cotyledons) and pollen with three pores or grooves.
• eudiometer

  nounLow (Technical/Scientific)
  /ˌjuː.diˈɒm.ɪ.tər/A graduated glass tube used to measure the change in volume of a gas mixture during a chemical reaction, especially to measure oxygen content in the air or another gas.

Showing 3741–3760 of 4896 words.