Online Google Dictionary

ceiling 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈsēliNG/,
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ceilings, plural;
  1. The upper interior surface of a room or other similar compartment

  2. An upper limit, typically one set on prices, wages, or expenditure

  3. The maximum altitude that a particular aircraft can reach

  4. The altitude of the base of a cloud layer

  5. The inside planking of a ship's bottom and sides


  1. the overhead upper surface of a covered space; "he hated painting the ceiling"
  2. (meteorology) altitude of the lowest layer of clouds
  3. an upper limit on what is allowed; "he put a ceiling on the number of women who worked for him"; "there was a roof on salaries"; "they established a cap for prices"
  4. maximum altitude at which a plane can fly (under specified conditions)
  5. A ceiling (pronounced) is an overhead interior surface that covers the upper limit of a room. It is generally not a structural element, but a finished surface concealing the underside of the floor or roof structure above.
  6. In aeronautics, a term ceiling has different meanings depending on the context. With respect to an aircraft, a ceiling is the maximum density altitude an aircraft can reach under a set of conditions. ...
  7. The surface that bounds the upper limit of a room; The upper limit of an object or action; The highest altitude at which an aircraft may fly; The smallest integer greater than or equal to a given number
  8. (CEILINGS) The maximum limit of an item as determined by OMB or Congress. Ceilings may be established each year for employment, outlays, travel, or other object classifications.
  9. (Ceilings) can symbolize a limitation as in I reached the ceiling of my ability. As they are always above your head ceilings can symbolize the mind and / or spiritual aspects of yourself. A high ceiling asks you to create a greater space in your mind for the subject matter of the dream. ...
  10. The maximum allowable interest rate over the life of the loan of an adjustable rate mortgage.
  11. The maximum altitude to which a gyroplane can climb. Because of thin air, the engine decreases in power, or the rotor blades no longer provide lift to climb.
  12. The downward facing structural element that is directly opposite the floor.
  13. The highest level of performance or score that a test can reliably measure.
  14. Top horizontal surface in the interior of a garage
  15. permanently constructed, affixed or suspended horizontal structural-plane designed to protect individuals or objects from exterior weather conditions
  16. The horizontal line separating the in-bounds rows of the playfield from the out-of-bounds rows. Most games place the ceiling at the top of row 20. In most games, the ceiling coincides with the top of the visible portion of the playfield.
  17. (1) The heights above the earth's surface of the lowest layer of clouds or obscuring phenomena that is reported as "broken," "overcast," or "obscuration," and not classified as "thin" or "partial". ...
  18. The highest price, interest rate, or other numerical factor allowable in a financial transaction.
  19. Vertical distance from the ground to cloud cover.
  20. The highest limit of performance that can be assessed or measured by an instrument or process. Individuals who perform near to or above this upper limit are said to have reached the ceiling, and the assessment may not be providing a valid estimate of their performance levels.
  21. An upper limit on campaign expenditures. Sometimes also refers to the upper limit on what individuals, PACs, and political parties can contribute.
  22. Maximum allowable human exposure limit for airborne substances; not to be exceeded even momentarily.
  23. a section of the climb that juts abruptly outward and looms overhead; also called roof or overhang
  24. The covering (Kg1 7:3, Kg1 7:7) of the inside roof and walls of a house with planks of wood (Ch2 3:5; Jer 22:14). Ceilings were sometimes adorned with various ornaments in stucco, gold, silver, gems, and ivory. ...
  25. The maximum result of a drug within a bodily tissue, regardless of the volume of the drug administered.