English Words Starting With R

• rustication

  nounLow
  /ˌrʌstɪˈkeɪʃn/The action of sending someone to the countryside or suspending them from an institution (especially university) as a punishment.
• rusticity

  nounLow
  /rʌˈstɪs.ə.ti/The quality or state of being rustic; simple, unsophisticated, or rural character.
• rustin

  nounVery Low
  /ˈrʌstɪn/A surname of English origin, historically derived from a diminutive form of the given name Rust or Rusty.
• rustle

  nounverbverb-intransitiveverb-transitiveC1
  /ˈrʌs(ə)l/to make a soft, muffled crackling or whispering sound, like that of dry leaves, paper, or fabric rubbing together.
• rustle up

  verbC1
  /ˈrʌs.l̩ ʌp/To quickly make, find, or prepare something, especially with limited resources.
• ruston

  nounVery Low (Proper Noun)
  /ˈrʌstən/Ruston is a proper noun, primarily referring to either a city in Louisiana, USA, or the historical engineering and locomotive manufacturer Ruston & Hornsby Ltd. of Lincolnshire, England.
• rustout

  nounLow to Medium. A technical, metaphorical term; understood in specific fields (HR, management, psychology, engineering) but not common in everyday conversation.
  /ˈrʌstaʊt/The gradual deterioration or decline of something due to neglect, disuse, or lack of maintenance; the state of becoming non-functional, inefficient, or outdated through inactivity.
• rustproof

  adjectiveverb-transitiveLow
  /ˈrʌstpruːf/Resistant to the formation of rust (iron oxide) caused by oxidation.
• rustproofing

  nounC1
  /ˈrʌstˌpruːfɪŋ/The process or treatment of making an object, especially metal, resistant to rust (corrosion).
• rusty blackbird

  nounLow
  /ˈrʌsti ˈblakbɜːd/A medium-sized North American blackbird species (Euphagus carolinus) with rust-coloured feather edges in non-breeding plumage.
• rut

  nounverbverb-transitiveC1
  /rʌt/A long, deep track made by the repeated passage of wheels; a fixed, dull, and repetitive pattern of behaviour or thought.
• rutabaga

  nounLow
  /ˌruː.təˈbeɪ.ɡə/A large, yellowish root vegetable, a cross between a cabbage and a turnip, also called 'swede' in British English.
• ruth

  nounLow
  /ruːθ/Compassion or pity for another's suffering.
• ruthenia

  nounC2 (Very Low Frequency - Specialized Vocabulary)
  /ruːˈθiːniə/A historical and geographical region in Eastern Europe, corresponding approximately to modern-day western Ukraine and parts of Slovakia, Poland, and Romania.
• ruthenian

  adjectivenounVery Low
  /ruːˈθiːnɪən/Relating to Ruthenia, its people, their language, or their Eastern Catholic church.
• ruthenium

  nounVery Low
  /ruːˈθiːniəm/A rare, hard, silvery-white transition metal of the platinum group.
• rutherford

  nounC1/C2
  /ˈrʌð.ə.fəd/The surname of Ernest Rutherford, a pioneering New Zealand-born physicist. A unit of measurement in physics for radioactive decay rate (abbreviation: Rd).
• rutherford scattering

  nounSpecialized
  /ˈrʌðəfəd ˈskætərɪŋ/A physical phenomenon where charged particles (typically alpha particles) are deflected by the electric field of an atomic nucleus.
• rutherfordium

  nounC1/C2
  /ˌrʌð.əˈfɔː.di.əm/A synthetic, highly radioactive chemical element with the symbol Rf and atomic number 104.
• rutile

  nounC2
  /ˈruːtiːl/A mineral, titanium dioxide (TiO₂), typically occurring as reddish-brown to black needle-like crystals.

Showing 5741–5760 of 5802 words.