English Words Starting With L

• leprosarium

  nounC2
  /ˌlɛprəˈsɛːrɪəm/A hospital or colony for the treatment and isolation of people with leprosy (Hansen's disease).
• leprosy

  nounLow frequency
  /ˈlɛprəsi/A chronic infectious disease caused by the bacterium Mycobacterium leprae, primarily affecting the skin, peripheral nerves, upper respiratory tract, and eyes, often resulting in skin lesions and nerve damage.
• lepsius

  nounLow
  /ˈlɛpsiəs/The surname of the German Egyptologist and linguist, Karl Richard Lepsius (1810–1884). Most commonly used as a proper noun referring to him or his work.
• leptin

  nounC2
  /ˈlɛptɪn/A protein hormone produced by fat cells that regulates appetite and energy expenditure by signaling satiety to the brain.
• lepto-

  combining-formnounC2
  /ˈlɛptəʊ/A prefix from Greek meaning 'thin', 'slender', 'small', or 'fine'. It's used to form scientific and technical terms.
• leptocephalus

  nounRare / Technical
  /ˌlɛptəʊˈsɛfələs/The transparent, ribbon-like larval stage of eels and some related fish.
• leptokurtosis

  nounC2
  /ˌlɛptəʊkɜːˈtəʊsɪs/A statistical property describing a probability distribution with fatter tails and a higher, sharper peak than a normal distribution.
• lepton

  nounC2
  /ˈlɛptɒn/Any of a class of subatomic particles that are elementary fermions, not subject to the strong nuclear force.
• lepton number

  nounVery Low
  /ˈlɛp.tɒn ˈnʌm.bər/In particle physics, a quantum number that represents the difference between the number of leptons and antileptons.
• leptophos

  nounRare
  /ˈlɛptəʊfɒs/A highly toxic, now-banned organophosphate insecticide and acaricide.
• leptosome

  nounVery low
  /ˈlɛptəsəʊm/A person of slender, thin, or light build.
• leptospermum

  nounLow (Specialist/Botanical)
  /ˌlɛptə(ʊ)ˈspɜːməm/A genus of flowering plants, shrubs and small trees, commonly known as tea-trees.
• leptospira

  nounLow
  /ˌlɛptə(ʊ)ˈspaɪərə/A genus of slender, spiral-shaped bacteria.
• leptospirosis

  nounC2
  /ˌlɛptəʊspʌɪˈrəʊsɪs/A bacterial disease affecting humans and animals, caused by spirochetes of the genus Leptospira, often transmitted through water contaminated with animal urine.
• leptotene

  nounC1
  /ˈlɛptə(ʊ)tiːn/the first stage of prophase in meiosis, where the chromosomes become visible as long, thin threads.
• lepus

  nounLow
  /ˈliːpəs/A constellation in the southern sky, named after the Latin word for hare.
• lequear

  nounVery Low
  /lɛˈkwiːə/To speak or communicate in a lively, informal, or chatty manner.
• ler

  nounLow
  /lɜː/An eye dialect spelling of the word 'learn'.
• lerida

  nounLow / Very Low
  /ləˈriːdə/A proper noun referring to a city and province in Catalonia, northeastern Spain.
• lermontov

  nounLow
  /ˈlɜːməntɒf/A proper noun, the surname of the renowned 19th-century Russian Romantic poet, writer, and painter Mikhail Yuryevich Lermontov (1814–1841).

Showing 2261–2280 of 5456 words.