ceilingとは

意味・読み方・使い方

語源 1

From Middle English celing (“paneling; (bed) cover or hanging”), from celen (“to cover または panel walls”) (from Old French celer (“to conceal”)) + -ing (gerund-forming suffix).

名詞

ceiling (複数形 ceilings)

1. The overhead closure of a room.
   • 1963, Margery Allingham, chapter 1, in The China Governess‎^[1]:

     The huge square box, parquet-floored and high-ceilinged, had been arranged to display a suite of bedroom furniture designed and made in the halcyon days of the last quarter of the nineteenth century, […].

   The dining room had an ornate ceiling.

2. The upper limit of an object or action.
   • 2008, N. Gregory Mankiw, Principles of Economics (volume 1, page 114)

     Market forces naturally move the economy to the equilibrium, and the price ceiling has no effect on the price or the quantity sold.

3. (aviation) The highest altitude at which an aircraft can safely maintain flight.
4. (meteorology) The measurement of visible distance from ground or sea level to an overcast cloud cover; under a clear sky, the ceiling measurement is identified as "unlimited."

   Even though it was cloudy, there was still enough ceiling for the Blue Angels to perform a great show.

5. (mathematics) The smallest integer greater than or equal to a given number.

   The ceiling of 4.5 is 5; the ceiling of −4.5 is −4.

6. (nautical) The inner planking of a vessel.
7. (finance) The maximum permitted level in a financial transaction.
8. (architecture) The overhead interior surface that covers the upper limits of a room.

同意語

• ceil (poetic)
• (数学): ceil

反意語

• floor

派生語