English Words Starting With A

• aeolipile

  nounC2
  /iːˈɒlɪpʌɪl/An ancient device, also known as Hero's engine, consisting of a rotating sphere mounted on a boiler, propelled by steam jets; considered an early demonstration of steam power.
• aeolis

  nounC2
  /ˈiːəlɪs/An ancient region in Asia Minor, on the northwestern coast of Anatolia (now Turkey), settled by Aeolian Greeks.
• aeolus

  nounLow
  /ˈiːələs/The name of the Greek god of the winds.
• aeon

  nounC2
  /ˈiːən/An extremely long or indefinite period of time; an age.
• aepyornis

  nounVery Low
  /ˌiːpɪˈɔːnɪs/A genus of extinct, giant, flightless birds that lived in Madagascar.
• aequorin

  nounVery Low Frequency
  /iːˈkwɔːrɪn/A blue, calcium-sensitive photoprotein isolated from the jellyfish Aequorea victoria, which emits blue light when calcium ions bind to it.
• aerarian

  adjectivenounVery Rare (A Masterword)
  /ɪˈrɛːrɪən/Pertaining to or connected with taxes or public revenue.
• aerarium

  nounExtremely rare / Historical
  /ɪˈrɛːrɪəm/The public treasury of ancient Rome, where state funds were kept.
• aerate

  verbverb-transitiveC1
  /ˈeə.reɪt/To introduce air or another gas into a substance, typically a liquid or soil.
• aerated

  adjectiveverbC1
  /ˈeə.reɪ.tɪd/To cause a liquid (especially water or a beverage) to absorb or become filled with a gas, typically air or carbon dioxide.
• aerator

  nounC1
  /ˈeə.reɪ.tər/A device that introduces air into a substance (typically water or soil).
• aerenchyma

  nounLow frequency
  /ɛːˈrɛŋkɪmə/A plant tissue with large intercellular air spaces, found especially in aquatic plants and wetland species, facilitating gas exchange and providing buoyancy.
• aeria

  nounVery Rare
  /ˈɛːrɪə/A fanciful or poetic term referring to the air or atmosphere; relating to air; aerial.
• aerial

  adjectivenounMedium
  /ˈeə.ri.əl/Existing, happening, or operating in the air, especially above the surface of the earth.
• aerial ladder

  nounLow-frequency technical term
  /ˈeə.ri.əl ˈlæd.ər/A large, extendable ladder mounted on a fire engine, used for rescue operations and firefighting at significant heights.
• aerial mine

  nounLow
  /ˈeə.ri.əl maɪn/A military explosive device designed to be deployed from the air, typically dropped by aircraft, and often used to create barriers or target large areas.
• aerial perspective

  nounC1/C2
  /ˈeə.ri.əl pəˈspek.tɪv/An artistic technique used in painting and drawing to create the illusion of depth in a landscape by depicting distant objects as paler, less distinct, and often more bluish than closer objects.
• aerial photograph

  nounB2
  /ˈeə.ri.əl ˈfəʊ.tə.ɡrɑːf/A photograph taken from an aircraft or other flying object.
• aerial pingpong

  nounC1
  /ˌeə.ri.əl ˈpɪŋ.pɒŋ/A dismissive or mocking nickname for Australian Rules Football, referring to its high, frequent kicks that resemble a ball being hit back and forth.
• aerial survey

  nounB2
  /ˈeə.ri.əl ˈsɜː.veɪ/The systematic collection of data or inspection of an area of land from an aircraft, drone, or other flying platform, typically using cameras, sensors, or visual observation.

Showing 1661–1680 of 8734 words.