English Words Starting With R

• random number

  nounB2
  /ˌræn.dəm ˈnʌm.bə/A number selected from a specified set of possible values where each value has an equal probability of being chosen, typically generated by a process that lacks any pattern or predictability.
• random number generator

  nounC1
  /ˌrændəm ˈnʌmbə ˈdʒenəreɪtə/A device, algorithm, or process that produces a sequence of numbers or symbols that lack any pattern and appear statistically random.
• random numbers

  plural-nounB2
  /ˈrændəm ˈnʌmbəz/A sequence of numbers whose occurrence lacks any predictable pattern or order, often generated by a process governed by chance.
• random rubble

  nounRare
  /ˈrændəm ˈrʌb(ə)l/A traditional masonry construction method where uncut or roughly broken stones of irregular size and shape are laid without regular courses.
• random sampling

  nounMedium
  /ˈrændəm ˈsɑːmplɪŋ/A statistical method where each member of a population has an equal probability of being selected for a sample.
• random variable

  nounC2
  /ˌrændəm ˈveəriəbl/A variable whose possible values are numerical outcomes of a random phenomenon.
• random walk

  nounC2
  /ˌrændəm ˈwɔːk/A path consisting of successive random steps.
• random walk theory

  nounC1+
  /ˌrændəm ˈwɔːk ˌθɪəri/A financial hypothesis stating that stock price changes are random and unpredictable, meaning past movements cannot be used to forecast future prices.
• random-access memory

  nounC1+
  /ˌræn.dəm ˌæk.ses ˈmem.ər.i/Computer hardware where data being actively used is temporarily stored for fast processing.
• randomization

  nounC1-C2
  /ˌræn.də.maɪˈzeɪ.ʃən/The process or act of making something random; introducing elements of chance into a procedure.
• randomize

  verbverb-transitiveC1
  /ˈrændəmaɪz/To make something random, to remove order or pattern from a set of items, ensuring chance determines the outcome.
• randwick

  nounC2
  /ˈrændwɪk/A suburb of Sydney, Australia; a proper noun primarily referring to a specific location.
• randy

  adjectivenounC1
  /ˈrændi/Feeling or showing strong sexual desire; lustful.
• ranee

  nounC2 (Very Low Frequency / Specialized)
  /ˈrɑː.niː/A queen or princess in India, especially the wife of a rajah (ruler).
• ranelagh gardens

  plural-nounC2 (Very Low Frequency / Historical/Literary)
  /ˈrænələ ˈɡɑːdn̩z/A historic pleasure garden in London, established in the 18th century, known for its public entertainment, concerts, masquerades, and social gatherings.
• ranfurly shield

  nounVery Low
  /ˈræn.fɜː.li ʃiːld/The physical, oblong-shaped trophy, originally a shield, awarded to the winner of the premier domestic rugby union competition in New Zealand.
• rang

  verbB1
  /ræŋ/The simple past tense of the verb 'ring', meaning to produce a clear, resonant or vibrating sound, typically from a bell or telephone.
• ranga

  nounLow-medium (specific to Australian and New Zealand English slang; rare elsewhere)
  /ˈræŋɡə/A person, typically with red hair and fair, freckled skin.
• rangatira

  nounC2/Proficiency - Very low frequency outside New Zealand and specific cultural/academic contexts.
  /ˌrɑːŋəˈtɪərə/A Māori chief, leader, or noble person; someone of high status and authority.
• rangatiratanga

  nounVery Low (Specialist Term)
  /ˌrɑːŋɡətɪərəˈtɑːŋɡə/Self-determination, sovereignty, chieftainship.

Showing 681–700 of 5802 words.