English Words Starting With F

• field ration

  nounC2
  /ˈfiːld ˈræʃ.ən/A pre-prepared, portable meal or set of food items issued to military personnel or others operating in environments where normal food preparation is impossible.
• field spaniel

  nounLow
  /ˈfiːld ˌspæn.jəl/A medium-sized, long-coated breed of dog, originally developed in the UK for flushing game from cover.
• field sparrow

  nounC2
  /ˈfiːld ˌspær.əʊ/A small, common North American songbird (Spizella pusilla) with a brown-streaked back, plain gray breast, and a pink bill, known for its sweet, plaintive song.
• field sports

  plural-nounC1
  /ˈfiːld ˌspɔːts/Traditional outdoor sports involving the pursuit and hunting of game animals or birds, typically in a rural setting.
• field stop

  nounLow frequency / Technical
  /ˈfiːld stɒp/In optics, a physical aperture in a telescope or camera that limits the field of view.
• field strength

  nounC1
  /ˈfiːld strɛŋθ/The magnitude of a field (especially electromagnetic or gravitational) at a particular point.
• field study

  nounB2
  /ˈfiːld ˌstʌdi/A research method involving the collection of data in a natural environment, outside of a laboratory or controlled setting.
• field theory

  nounC2
  /ˈfiːld ˌθɪə.ri/A branch of physics that describes forces and particles through continuous fields permeating space and time.
• field tile

  nounVery low
  /ˈfiːld ˌtaɪl/A drainage tile made from clay or concrete, laid underground in fields to remove excess water.
• field trial

  nounB2
  /ˈfiːld ˌtraɪəl/A practical test of a new product, method, or piece of equipment conducted in a real-world environment, outside of a laboratory or controlled setting.
• field trip

  nounMedium-High
  /ˈfiːld ˌtrɪp/A journey made by a group of students, often under supervision, to a place outside their normal classroom environment to learn through direct observation and experience.
• field winding

  nounLow
  /ˈfiːld ˌwaɪndɪŋ/The insulated wire coil in an electric motor or generator that produces the main magnetic field when current flows through it.
• field work

  nounB2
  /ˈfiːld wɜːk/Practical work conducted by a researcher in the natural environment rather than in a laboratory, office, or library.
• field-effect transistor

  nounLow frequency in general use; Very High frequency in electronics/engineering contexts.
  /ˌfiːld ɪˈfɛkt trænˈzɪstə/A type of transistor where the flow of electrical current through a semiconductor channel is controlled by an applied electric field.
• field-emission microscope

  nounLow
  /ˌfiːld ɪˈmɪʃ(ə)n ˈmaɪ.krə.skəʊp/A high-magnification microscope that uses electrons emitted from a sharp tip by a strong electric field to create an image, achieving very high resolution without a conventional electron gun.
• field-holler

  nounVery Low
  /ˈfiːld ˌhɒlə/A traditional call-and-response style of work song sung by enslaved African Americans in the fields.
• field-strip

  verb-transitiveLow
  /ˈfiːld strɪp/To partially disassemble a firearm (usually a rifle) for cleaning, maintenance, or inspection in a field setting, without fully breaking it down into all its components.
• field-test

  verb-transitiveC1
  /ˈfiːld tɛst/to test something under actual conditions of use.
• fieldcraft

  nounLow
  /ˈfiːldkrɑːft/The skills and techniques needed to live, move, and survive undetected in a natural outdoor environment, typically for military, scouting, or wildlife observation purposes.
• fielder

  nounB1
  /ˈfiːl.dər/A player in baseball, cricket, or rounders positioned to field the ball; specifically, a defensive player (not the pitcher/bowler or catcher/wicket-keeper) whose primary role is to stop or catch batted balls.

Showing 1621–1640 of 5868 words.