English Words Starting With S

• screw auger

  nounC2/Rare
  /skruː ˈɔːɡə/A tool with a helical screw tip, used for boring holes in wood.
• screw axis

  nounLow
  /skruː ˈæksɪs/An imaginary straight line around which a simultaneous rotation and translation (screwing motion) occurs in a crystal structure, resulting in a symmetrical arrangement of atoms or molecules.
• screw bean

  nounLow
  /ˈskruː ˌbiːn/A type of leguminous tree or shrub (genus Prosopis, especially Prosopis pubescens) native to southwestern North America, characterized by seed pods that twist into a tight spiral resembling a screw.
• screw cap

  nounB2
  /ˈskruː ˌkæp/A bottle closure consisting of a metal or plastic cap with internal threads that screw onto corresponding threads on the neck of a bottle.
• screw conveyor

  nounC1
  /skruː kənˈveɪə/A mechanical device that uses a rotating helical screw blade (auger) inside a tube to move liquid or granular materials.
• screw eye

  nounLow frequency (technical/niche)
  /ˈskruː ˌaɪ/A fastener with a screw thread on one end and a looped head on the other, designed to be screwed into a surface to create a permanent anchor point for a rope, wire, or hook.
• screw fly

  nounC2
  /ˈskruː ˌflaɪ/A species of parasitic fly, specifically a blowfly of the family Calliphoridae, whose larvae (maggots) burrow into living tissue, typically the skin, of mammals, including humans.
• screw hook

  nounB2
  /ˈskruː hʊk/A hook that is attached by a screw thread, typically used for hanging objects.
• screw jack

  nounC1
  /ˈskruː ˌdʒæk/A mechanical device used for lifting heavy loads through the rotation of a screw mechanism.
• screw nail

  nounLow
  /skruː neɪl/A fastener that combines the features of a screw (threaded shank) and a nail (smooth pointed end); a type of nail with helical threads along part of its shank designed to be driven while rotating.
• screw nut

  nounC1
  /skruː nʌt/A small, usually hexagonal metal block with a threaded hole, designed to be fastened onto a bolt or screw.
• screw pile

  nounC2
  /skruː paɪl/A foundational support for structures, shaped like a large screw that is twisted into the ground.
• screw pine

  nounLow
  /ˈskruː ˌpaɪn/A tropical tree or shrub of the genus Pandanus, with long, spiny leaves arranged in a spiral (screw-like) pattern and prop roots.
• screw plate

  nounC1 (Low)
  /skruː pleɪt/A metal plate with threaded holes, used as a fixed anchor point for screws or bolts, often for mounting objects to a wall or structure.
• screw press

  nounLow
  /skruː prɛs/A machine that uses a screw mechanism to exert high pressure, typically for shaping, forming, extracting, or compressing materials.
• screw propeller

  nounLow
  /skruː prəˈpelə/A marine propulsion device consisting of a rotating shaft with helical blades that pushes water backward to propel a vessel forward.
• screw tap

  nounLow
  /skruː tæp/A tool used for cutting internal threads (the female part) in a hole, typically in metal, wood, or plastic.
• screw thread

  nounSpecialized
  /skruː θred/The helical ridge on a screw or bolt that allows it to fasten by turning.
• screw top

  adjectivenounB1
  /skruː ˈtɒp/A cap or lid for a bottle or container that is sealed and removed by twisting it.
• screw up

  nounverbC1
  /ˈskruː ʌp/To make a mistake, to do something badly, or to cause something to fail.

Showing 2561–2580 of 15552 words.