English Words Starting With L

• laser chemistry

  nounVery Low
  /ˈleɪzə ˈkɛmɪstri/The branch of chemistry that uses lasers to study or induce chemical reactions.
• laser cooling

  nounC2/Technical
  /ˈleɪ.zə ˌkuː.lɪŋ/A process in physics that uses laser light to reduce the temperature of atoms or molecules, slowing their motion.
• laser disk

  nounC1
  /ˈleɪzə dɪsk/A home video format using large (12-inch or 30 cm diameter) optical discs that are read with a laser, popular in the 1980s-1990s for movies and data storage.
• laser hair removal

  nounB2-C1
  /ˈleɪzə heə rɪˈmuːvl/A cosmetic procedure that uses concentrated light (laser) to destroy hair follicles, preventing or delaying future hair growth.
• laser pointer

  nounB2
  /ˈleɪ.zə ˌpɔɪn.tə/A small handheld device that emits a narrow, coherent beam of light (a laser), used to highlight objects or points of interest, typically on a screen or surface.
• laser printer

  nounB1
  /ˈleɪzə ˌprɪntə(r)/A computer printer that produces high-quality text and graphics by using a laser beam to form an electrostatic image on a drum, which is then transferred to paper using toner.
• laser ring gyro

  nounSpecialized Technical
  /ˈleɪzə rɪŋ ˈdʒaɪrəʊ/A high-precision rotation sensor that uses the interference pattern of laser beams traveling in opposite directions around a closed loop to measure angular velocity.
• laser sight

  nounLow-Medium (technical/military context)
  /ˈleɪzə saɪt/An optical device that projects a laser beam onto a target to assist with aiming, commonly attached to a firearm.
• laser surgery

  nounB2
  /ˈleɪzə ˈsɜːdʒəri/A medical procedure that uses a focused beam of intense light (a laser) to cut, burn, vaporize, or otherwise remove tissue.
• laser treatment

  nounB2
  /ˈleɪzə ˈtriːtmənt/A medical or cosmetic procedure that uses a focused, high-energy beam of light to treat tissue.
• laser tuning

  nounLow
  /ˈleɪzə ˈtjuːnɪŋ/The process of adjusting the output wavelength or frequency of a laser.
• laserdisc

  nounVery Low
  /ˈleɪzədɪsk/A home video format using large, 30cm optical discs read by laser.
• laserscope

  nounC2
  /ˈleɪzəskəʊp/A medical endoscope incorporating a laser for surgical procedures, particularly in the ear, nose, and throat (ENT).
• lash

  nounverbverb-intransitiveverb-transitiveB2
  /læʃ/To strike or beat with a whip or flexible object; also, the flexible part of a whip.
• lash line

  nounLow (specialist/technical contexts)
  /ˈlæʃ ˌlaɪn/The thin line at the base of the eyelashes where eyeliner is applied.
• lash out

  verbB2
  /læʃ aʊt/To suddenly and uncontrollably attack someone verbally or physically, often in anger or frustration.
• lash rail

  nounLow Frequency
  /ˈlæʃ ˌreɪl/A horizontal structural member, typically on the back of a cabinet or piece of furniture, to which items can be tied or secured.
• lash-up

  nounC2
  /ˈlæʃ ʌp/A makeshift, temporary, and often crude arrangement or contraption, assembled quickly to solve an immediate problem.
• lashing

  nounB2
  /ˈlæʃ.ɪŋ/The act of striking with force, often with a whip or rope, or a large amount of something.
• lashio

  nounC1/C2
  /ˈlɑːʃiəʊ/A city in northern Myanmar, the capital of Shan State.

Showing 1081–1100 of 5456 words.