English Words Starting With A

• acceleration principle

  nounC2
  /əkˌsel.əˈreɪ.ʃən ˈprɪn.sə.pəl/An economic theory stating that investment demand is proportional to the rate of change in output or consumption. A small increase in output can lead to a much larger increase in investment.
• accelerationist

  nounC1/C2
  /əkˌsel.əˈreɪ.ʃən.ɪst/A person who advocates accelerating the development of certain social or technological processes, often to provoke a crisis that will lead to radical change.
• accelerator

  nounB2
  /əkˈsel.ə.reɪ.tər/A device (typically a pedal) used to increase the speed of a vehicle.
• accelerator board

  nounC1
  /əkˈseləreɪtə bɔːd/An expansion card or printed circuit board designed to speed up a specific function of a computer, often by providing a dedicated processor.
• accelerator mass spectrometry

  nounC2
  /əkˈseləreɪtə mæs spekˈtrɒmɪtri/An analytical technique that uses a particle accelerator to separate and count rare isotopes (such as carbon-14) at extremely high sensitivity, used primarily for radiocarbon dating and tracing.
• accelerogram

  nounC2
  /əkˈselərə(ʊ)ɡram/A graph or record showing the acceleration of the ground during an earthquake.
• accelerograph

  nounC1-C2
  /əkˈsɛlərə(ʊ)ɡrɑːf/A specialized instrument for recording and measuring the acceleration of ground motion during an earthquake.
• accelerometer

  nounC2
  /əkˌsel.əˈrɒm.ɪ.tə/An instrument that measures acceleration, typically used in vehicles, aircraft, and smartphones.
• accent

  nounverbverb-transitiveB1 (Intermediate)
  /ˈæks(ə)nt/A distinctive way of pronouncing words, often associated with a particular country, region, or social group.
• accent mark

  nounC1
  /ˈæks(ə)nt ˌmɑːk/A diacritical mark placed above, below, or through a letter to indicate a specific pronunciation, stress, or tone.
• accentor

  nounRare
  /əkˈsɛntə/A small brown or grey songbird found in Europe and Asia, resembling a sparrow but related to the thrushes, known for its distinctive song.
• accentuate

  verbverb-transitiveC1
  /əkˈsɛntʃueɪt/To make something more noticeable or prominent; to emphasize.
• accentuated

  adjectiveverbLow frequency
  /əkˈsen.tʃu.eɪ.tɪd/To make something more noticeable, prominent, or emphasized.
• accentuation

  nounC1/C2
  /əkˌsɛntʃuˈeɪʃ(ə)n/The act or process of giving prominence or stress to particular syllables, words, or features; making something more noticeable.
• accentuator

  nounVery low / Technical
  /əkˈsɛn.tʃu.eɪ.tə(r)/One who or that which accentuates; something that emphasizes or highlights a particular feature.
• accept

  verbverb-intransitiveverb-transitiveA1
  /əkˈsept/To willingly receive or agree to something offered or proposed.
• acceptance

  nounB2
  /əkˈsɛptəns/The action or state of agreeing to receive or undertake something offered.
• acceptance region

  nounVery low frequency (specialist term)
  /əkˈsɛptəns ˌriːdʒən/In statistical hypothesis testing, the set of values of a test statistic for which the null hypothesis is not rejected.
• acceptancy

  nounLow
  /əkˈsɛpt(ə)nsi/The act or state of accepting; acceptance.
• acceptation

  nounC2
  /ˌaksɛpˈteɪʃ(ə)n/The established or generally understood meaning of a word or phrase; a particular sense or interpretation.

Showing 521–540 of 8734 words.