English Words Starting With B

• back dive

  nounLow (technical/specific)
  /ˈbæk daɪv/A dive performed from a platform or springboard, where the diver begins facing away from the water and rotates backwards during the descent.
• back door

  nounB2
  /ˌbæk ˈdɔː/A door at the rear or side of a building, typically used for service access.
• back down

  nounverbB2
  /ˌbæk ˈdaʊn/to withdraw from a position, demand, or argument, especially when challenged or opposed
• back emf

  nounSpecialised/Very Low
  /ˌbæk ˌiː em ˈef/The voltage generated in an electric motor or inductor that opposes the change in current which created it.
• back emission

  nounVery Low / Technical
  /ˌbæk ɪˈmɪʃ(ə)n/The phenomenon where electrons are emitted from the collector of a vacuum tube towards the grid or cathode, opposite to the intended direction of current flow.
• back end

  adjectivenounMedium to High (in tech/business contexts)
  /ˌbæk ˈend/The part of a computer system, software application, or service that handles data processing, business logic, and server-side operations, unseen by the user.
• back float

  nounC1
  /ˌbæk ˈfləʊt/A basic swimming skill where one lies horizontally on the water's surface, face-up and motionless, supported by the water.
• back focus

  nounC2 - Technical
  /ˌbæk ˈfəʊkəs/A photographic term referring to a focusing error where the camera focuses on a point behind the intended subject, resulting in the subject being out of focus.
• back foot

  nounB2-C1
  /ˌbæk ˈfʊt/A defensive or disadvantageous position; reacting rather than leading.
• back formation

  nounC2
  /ˌbæk fɔːˈmeɪʃən/The process of forming a new word (usually shorter) by removing an actual or supposed affix (like -er, -ion, -s) from an existing longer word.
• back forty

  nounLow
  /ˌbak ˈfɔːti/A remote, uncultivated, or least productive piece of land on a farm or ranch.
• back four

  nounlow (specialist, technical term)
  /ˌbæk ˈfɔː/In football (soccer), the four defenders positioned across the defensive line, typically comprising two centre‑backs and two full‑backs.
• back gear

  nounLow
  /ˈbæk ˌɡɪə/A gear in a vehicle that enables it to move backwards.
• back green

  nounRegional / Low
  /ˌbæk ˈɡriːn/A shared, grassy communal area at the rear of a row of houses or tenements.
• back hack

  nounverb-transitiveLow
  /ˈbæk ˌhæk/A clever workaround or improvised solution, often temporary or unofficial, to solve a technical or logistical problem.
• back light

  nounC1
  /ˈbæk ˌlaɪt/Light coming from behind a subject, especially in photography, film, or theatre, which illuminates the subject from the rear and often creates a rim of light or silhouette effect.
• back line

  nounB2
  /ˈbæk ˌlaɪn/In rugby or American football: the collective term for the players positioned behind the forwards (scrum or line of scrimmage), responsible for attacking play.
• back lot

  nounC1
  /ˈbæk lɒt/An outdoor area, often behind a film or television studio, where sets are built for filming.
• back marker

  nounC1
  /ˈbæk ˌmɑː.kər/A competitor, usually in a motor race or cycling event, who is in last or near-last position.
• back matter

  nounC1
  /ˌbæk ˈmæt.ər/The supplementary material found at the end of a book, after the main body of text.

Showing 221–240 of 10030 words.