English Words Starting With U

• uridylic acid

  nounC2 (Technical/Specialized)
  /ˌjʊərɪˈdɪlɪk ˈæsɪd/A nucleotide component of RNA, formed from uracil, ribose, and a phosphate group; the ester of phosphoric acid with uridine.
• uriel

  nounVery Low
  /ˈjʊə.ri.əl/A proper noun, primarily a masculine given name of Hebrew origin, meaning 'God is my light' or 'light of God'.
• urim and thummim

  nounplural-nounC2
  /ˌjʊərɪm ən(d) ˈθʌmɪm/Sacred objects used in ancient Israelite religion to determine divine will, often described as a form of lot-casting or divination, possibly stones or gems.
• urinal

  nounB2
  /jʊəˈraɪn(ə)l/A sanitary fixture, typically a bowl or trough, used for urination, especially by men.
• urinalysis

  nounC1
  /ˌjʊərɪˈnælɪsɪs/A laboratory test to examine the content and properties of urine, used to detect medical conditions, monitor health, or screen for drugs.
• urinary

  adjectivenounC1
  /ˈjʊərɪn(ə)ri/Relating to urine or the organs and system that produce and excrete it.
• urinary bladder

  nounC1
  /ˌjʊə.rɪ.nər.i ˈblæd.ər/The elastic, muscular sac in the pelvis that stores urine before it is expelled from the body.
• urinary calculus

  nounC2
  /ˈjʊə.rɪ.nər.i ˈkæl.kjʊ.ləs/A hard, crystalline stone formed in the urinary tract from minerals and salts in the urine.
• urinary tract infection

  nounHigh
  /ˈjʊərɪnəri trækt ɪnˈfekʃən/A bacterial infection affecting any part of the urinary system, including the kidneys, bladder, ureters, and urethra.
• urinate

  verbverb-intransitiveB1
  /ˈjʊərɪneɪt/To discharge urine from the body.
• urine

  nounB2
  /ˈjʊərɪn/A liquid by-product of metabolism in humans and many animals, excreted by the kidneys and stored in the bladder until it is released from the body.
• urine analysis

  nounC1
  /ˈjʊə.rɪn əˈnæl.ə.sɪs/A diagnostic test of a urine sample to detect and measure various compounds, used to assess health or diagnose medical conditions.
• uriniferous tubule

  nounvery rare
  /ˌjʊərɪˈnɪfərəs ˈtjuːbjuːl/The microscopic tube in the kidney responsible for filtering waste from blood and forming urine.
• urinometer

  nounLow (Specialized Technical Term)
  /ˌjʊərɪˈnɒmɪtə/An instrument for measuring the specific gravity of urine.
• urinoscopy

  nounExtremely Low
  /ˌjʊər.ɪˈnɒs.kə.pi/The diagnostic examination of urine, especially its physical appearance and properties.
• urmia

  nounVery Low
  /ˈʊə.mi.ə/A proper noun referring primarily to a historical city and lake in northwestern Iran.
• urmston

  nounLow
  /ˈɜːmstən/A place name, specifically a town in Greater Manchester, England.
• urn

  nounC1
  /ɜːn/A tall, rounded vessel, often with a stem and base, traditionally used for storing the ashes of the cremated dead.
• urnfield

  adjectivenounC2
  /ˈɜːnfiːld/A prehistoric archaeological site, typically from the European Bronze Age, characterized by burial mounds containing cremation urns.
• urning

  nounVery Low (Technical/Legal/Formal register)
  /ˈɜːnɪŋ/The act of placing ashes in an urn, typically following a cremation.

Showing 1301–1320 of 1514 words.