Yahoo香港字典 搜尋

搜尋結果

1. Oxford Dictionary

   constant

   • IPA[ˈkɒnst(ə)nt]

   英式

   • adj.
     occurring continuously over a period of time；remaining the same over a period of time
   • n.
     a situation that does not change；a quantity or parameter that does not change its value whatever the value of the variables, under a given set of conditions.

   • noun: constant, plural noun: constants

2. • 釋義
   • 相關詞

   adj.

   形容詞

   • 1. occurring continuously over a period of time the constant background noise of the city 同義詞 continual, continuous, persistent, sustained, abiding, ... 更多round-the-clock, ceaseless, unceasing, perpetual, incessant, never-ending, everlasting, eternal, endless, unending, unabating, non-stop, perennial, unbroken, uninterrupted, unrelieved, interminable, unremitting, relentless, unrelenting, without respite, literarysempiternal, steadfast, steady, resolute, determined, persevering, tenacious, dogged, unwavering, unflagging, unshaken反義詞 inconstant, fitful
   • ▪ remaining the same over a period of time these discs rotate at a constant speed 同義詞 consistent, regular, stable, steady, fixed, ... 更多uniform, even, level, invariable, unvarying, unchanging, changeless, undeviating, unfluctuating, immutable反義詞 inconstant, variable
   • ▪ (of a person) unchangingly faithful and dependable a constant friend 同義詞 faithful, loyal, devoted, true, fast, ... 更多firm, unswerving, unwavering, steadfast, staunch, stalwart, dependable, trustworthy, trusty, reliable, dedicated, committed, bosom, boon反義詞 inconstant, fickle

   n.

   名詞

   • 1. a situation that does not change the condition of struggle remained a constant
   • ▪ a quantity or parameter that does not change its value whatever the value of the variables, under a given set of conditions.
   • ▪ a number expressing a relation or property which remains the same in all circumstances, or for the same substance under the same conditions.

   gravitational constant

   • n.
     the constant in Newton's law of gravitation relating gravity to the masses and separation ...

   Oxford Dictionary

   solar constant

   • n.
     the rate at which energy reaches the earth's surface from the sun, usually taken to be ...

   Oxford Dictionary

   Michaelis constant

   • n.
     the concentration of a given enzyme that catalyzes the associated reaction at half the maximum rate.

   Oxford American Dictionary

   rate constant

   • n.
     a coefficient of proportionality relating the rate of a chemical reaction at a given ...

   Oxford Dictionary

   time constant

   • n.
     a time that represents the speed with which a particular system can respond to change, ...

   Oxford American Dictionary

   gas constant

   • n.
     the constant of proportionality in the gas equation. It is equal to 8.314 joule kelvin−1 mole−1.

   Oxford Dictionary

   cosmological constant

   • n.
     an arbitrary constant in the field equations of general relativity.

   Oxford Dictionary

   coupling constant

   • n.
     a measure of the strength of interaction between two particles, or between a particle and a field.

   Oxford American Dictionary

   • 上一頁
   • 1
   • 2
   • 3
   • 4
   • 下一頁
3. • 更多解釋

   constant

   • IPA[ˈkänst(ə)nt]

   美式

   • adj.
     occurring continuously over a period of time: the pain is constant
   • n.
     a situation or state of affairs that does not change: the condition of struggle remained a constant

   Oxford American Dictionary