Online Google Dictionary

perimeter 中文解釋 wordnet sense Collocation Usage
Noun
/pəˈrimitər/,
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perimeters, plural;
  1. The continuous line forming the boundary of a closed geometric figure
    • - the perimeter of a rectangle
  2. The length of such a line
    • - the rectangle has a perimeter of 30 cm
  3. The outermost parts or boundary of an area or object
    • - the perimeter of the garden
    • - my presence on the perimeter of his life
  4. A defended boundary of a military position or base

  5. An area away from the basket, beyond the reach of the defensive team
    • - he was very patient in working the ball around the perimeter
  6. An instrument for measuring the extent and characteristics of a person's field of vision


  1. margin: the boundary line or the area immediately inside the boundary
  2. a line enclosing a plane areas
  3. circumference: the size of something as given by the distance around it
  4. A perimeter is a path that surrounds an area. The word comes from the Greek peri (around) and meter (measure). The term may be used either for the path or its length - it can be thought of as the length of the outline of a shape. The perimeter of a circular area is called circumference.
  5. 'Interstate 285 (I-285) is a Interstate Highway loop encircling Atlanta, Georgia, for 63.98 miles (102.97 km). I-285 is also known as unsigned State Route 407 and is colloquially referred to as the Perimeter. ...
  6. PERIMETER (full title: User-centric paradigm for seamless mobility in future Internet) is a European Commission funded project under the Seventh Framework Programme of the European Union that aims at providing true user-centric seamless mobility.
  7. Dead Hand (Система Периметр, Systema Perimetr) (known also as Perimeter,Dr. Bruce G. Blair to C3: Nuclear Command, Control, Cooperation and Hand from Coffin) is purportedly a Cold-War-era nuclear-control system used by the Soviet Union and in use in Russia. ...
  8. Perimeter is a real-time strategy video game developed by K-D Lab for Microsoft Windows. It is published by 1C Company and Codemasters, and was released on May 21, 2004.
  9. The sum of the distance of all the lengths of the sides of an object; The length of such a boundary; A fortified strip or boundary usually protecting a military position
  10. The area outside the three-second lane area.
  11. the area beyond the foul circle away from the basket, including 3-point line, from which players take long-range shots.
  12. The perimeter of a figure is the total distance around the edge of the figure. For example, a square whose sides are 6 inches long has a perimeter of 6 x 4 = 24 inches because it has 4 sides 6 inches long. ...
  13. Encompasses all those components of the system that are to be accredited by the DAA, and excludes separately accredited systems to which the system is connected. ...
  14. noun - The boundary of a two-dimensional shape, measured in length. It is the analog of surface in realmspace and surcell in tetraspace.
  15. Ratio of the area of the district to the area of a circle with the same perimeter as the district. [See "compactness."]
  16. The area in the forecourt behind the free throw circle, from which outside shots are taken.
  17. Physical boundary between inside and outside. Security measures rely on being able to trust individuals within a perimeter at least to some degree.
  18. a defensive enclosure or ambit, a boundry or border; see CORDON, CORDON SANITAIRE, CORDON AND SEARCH, CLEAR AND HOLD, DOUGHNUT, DMZ, MLR, CHOP LINE, OUTWORK, STOCKADE, LAAGER, FOB, FSB, SPIKE, NDP, RON, COLD CAMP, BASE CAMP, COMPOUND, RANGE CARD, FRESNEL UNITS. [v: Military Earthworks Terms]
  19. Shuttle bus that goes around the perimeter of campus, including in the east and west remote parking lots.
  20. This is the term for things on the exterior of the object – stuff that touches the air.
  21. Instrument used for determining central or peripheral field of vision.
  22. A specific construction consisting of a rated floor, a non-rated exterior curtain wall and fill and forming materials installed between the floor and and curtain wall to prevent the spread of fire vertically.
  23. The distance around the lake, excluding islands, in metres as calculated from a bathymetric map.
  24. Examine the entire breast, including the nipple, the axillary tail that extends into the armpit, and nearby lymph nodes.
  25. Definition of the boundaries of a network.