English Words Starting With A

• aerial tanker

  nounC2
  /ˈeə.ri.əl ˈtæŋ.kər/A large aircraft specifically designed or converted to transport and transfer fuel to other aircraft while in flight.
• aerial top dressing

  nounRare
  /ˈeə.ri.əl tɒp ˈdres.ɪŋ/The agricultural practice of spreading fertiliser, lime, or seed onto land from an aircraft.
• aerialist

  nounLow
  /ˈeə.ri.ə.lɪst/A person who performs gymnastic feats or acrobatics high in the air, often using apparatus like ropes, trapezes, or silks.
• aeriality

  nounC2
  /eə.riˈæl.ɪ.ti/The state, quality, or characteristic of being aerial; pertaining to the air, atmosphere, or sky.
• aerie

  nounC1
  /ˈɪəri/a nest of a bird of prey (e.g., an eagle or hawk), especially one built high on a cliff or mountain.
• aerification

  nounVery Low / Specialized
  /ˌeə.rɪ.fɪˈkeɪ.ʃən/The process of creating small holes in soil or turf to allow air, water, and nutrients to penetrate the root zone.
• aerify

  verbverb-transitiveVery Low
  /ˈeə.rɪ.faɪ/to convert a substance into a gaseous state or to introduce air/gas into it.
• aero engine

  nounC2
  /ˈeə.rəʊ ˌen.dʒɪn/An engine designed to power an aircraft.
• aero-optics

  nounVery Low
  /ˌeə.rəʊˈɒp.tɪks/The study of how light and optical systems are affected by aerodynamic phenomena, typically high-speed airflow.
• aeroacoustics

  nounRare / Technical
  /ˌɛə.rəʊ.əˈkuː.stɪks/The scientific study of sound generation and propagation associated with aerodynamic flow or objects moving through air.
• aerobacter

  nounVery Low
  /ˌɛərəʊˈbæktə/A genus of bacteria, specifically referring to bacteria that are aerobes (requiring oxygen) or facultative anaerobes, now primarily historical as the genus name Aerobacter has been reclassified (often into Enterobacter).
• aeroballistics

  nounC2+
  /ˌɛːrəʊbəˈlɪstɪks/The branch of ballistics that deals with the motion of projectiles or bodies through the air, and their interaction with the atmosphere.
• aerobat

  nounC2/Rare
  /ˈeə.rə.bæt/A skilled performer of aerial maneuvers, especially in an aircraft.
• aerobatics

  nounC2
  /ˌeərəˈbætɪks/The spectacular and skillful manoeuvres performed by an aircraft, often for entertainment at air shows.
• aerobe

  nounLow
  /ˈeə.rəʊb/An organism, especially a bacterium, that requires oxygen from the air to live and grow.
• aerobee

  nounVery Low / Obsolete
  /ˈeə.rəʊ.biː/A specific type of high-altitude research rocket.
• aerobic dancing

  nounB1
  /eəˌrəʊ.bɪk ˈdɑːn.sɪŋ/A form of physical exercise that combines rhythmic aerobic activity with stretching and strength training, typically performed to music in a group setting.
• aerobics

  nounB1
  /eəˈrəʊ.bɪks/A system of physical exercises designed to increase the amount of oxygen in the blood and strengthen the heart and lungs, typically performed to music in a group class.
• aerobiology

  nounC2
  /ˌeə.rəʊ.baɪˈɒl.ə.dʒi/The study of airborne microorganisms, pollen, spores, and other biological particles.
• aerobiosis

  nounC2 (Very Rare)
  /ˌɛːrəʊbʌɪˈəʊsɪs/life sustained in an environment containing oxygen (air).

Showing 1681–1700 of 8734 words.