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constant Inglés británico e internacional

Occurring continuously over a period of time

constant Tesauro Inglés

the constant background noise of the city

constant in ceaseless Tesauro Inglés

they kept up a ceaseless flow of questions

constant in constant Tesauro Inglés

the constant background noise of the city

constant in continual Tesauro Inglés

the service has been disrupted by continual breakdowns

constant in continuous Tesauro Inglés

for the past few days there had been continuous rain

constant in faithful Tesauro Inglés

she stayed faithful all her married life

constant in loyal Tesauro Inglés

she was loyal to her country

constant in true Tesauro Inglés

it may seem hard to believe, but I can assure you it's true

gas constant Inglés británico e internacional

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

rate constant Inglés británico e internacional

A coefficient of proportionality relating the rate of a chemical reaction at a given temperature to the concentration of reactant (in a unimolecular reaction) or to the product of the concentrations of reactants

time constant Inglés británico e internacional

A time which represents the speed with which a particular system can respond to change, typically equal to the time taken for a specified parameter to vary by a factor of 1−1e (approximately 0.6321)

Euler's constant Inglés británico e internacional

A constant used in numerical analysis, approximately equal to 0.577216. It represents the limit of the series 1 + 12 + 13 + 14 ... 1n − ln n as n tends to infinity. It is not known whether this is a rational number or not

solar constant Inglés británico e internacional

The rate at which energy reaches the earth’s surface from the sun, usually taken to be 1,388 watts per square metre

Avogadro's constant Inglés británico e internacional

The number of atoms or molecules in one mole of a substance, equal to 6.023 × 1023

coupling constant Inglés británico e internacional

A constant representing the strength of the interaction between a particle and a field

Faraday's constant Inglés británico e internacional

The quantity of electric charge carried by one mole of electrons (equal to roughly 96,490 coulombs)

Hubble's constant Inglés británico e internacional

The ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer. The reciprocal of the constant is called Hubble time and represents the length of time for which the universe has been expanding, and hence the age of the universe

Lambert, Constant Inglés británico e internacional

(1905–51), English composer, conductor, and critic; full name Leonard Constant Lambert. He wrote the music for the ballet Romeo and Juliet (1926) and the jazz work The Rio Grande (1929), later becoming musical director of Sadler’s Wells (1930–47)

Michaelis constant Inglés británico e internacional

The concentration of a given substrate which catalyses the associated reaction at half the maximum rate

Planck's constant Inglés británico e internacional

A fundamental constant, equal to the energy of a quantum of electromagnetic radiation divided by its frequency, with a value of 6.626 × 10−34 joules

Rydberg constant Inglés británico e internacional

A constant, 1.097 x 107 m−1, which appears in the formulae for the wave numbers of lines in atomic spectra and is a function of the rest mass and charge of the electron, the speed of light, and Planck’s constant

Boltzmann's constant Inglés británico e internacional

The ratio of the gas constant to Avogadro’s constant, equal to 1.381 × 10−23 joules per kelvin in the case where the number of molecules is equal to Avogadro’s number

cosmological constant Inglés británico e internacional

An arbitrary constant in the field equations of general relativity

dielectric constant Inglés británico e internacional

A quantity measuring the ability of a substance to store electrical energy in an electric field

dissociation constant Inglés británico e internacional

A quantity expressing the extent to which a particular substance in solution is dissociated into ions, equal to the product of the concentrations of the respective ions divided by the concentration of the undissociated molecule

fine-structure constant Inglés británico e internacional

A fundamental and dimensionless physical constant, equal to approximately 1137, which occurs in expressions describing the fine structure of atomic spectra

gravitational constant Inglés británico e internacional

The constant in Newton’s law of gravitation relating gravity to the masses and separation of particles, equal to 6.67 × 10−11 N m2 kg−2

Planck constant in Planck's constant Inglés británico e internacional

A fundamental constant, equal to the energy of a quantum of electromagnetic radiation divided by its frequency, with a value of 6.626 × 10−34 joules

k in Boltzmann's constant Inglés británico e internacional

The ratio of the gas constant to Avogadro’s constant, equal to 1.381 × 10−23 joules per kelvin in the case where the number of molecules is equal to Avogadro’s number

sedimentation coefficient Inglés británico e internacional

A quantity related to the size of a microscopic particle, equal to the terminal outward velocity of the particle when centrifuged in a fluid medium divided by the centrifugal force acting on it, expressed in units of time

sedimentation constant in sedimentation coefficient Inglés británico e internacional

A quantity related to the size of a microscopic particle, equal to the terminal outward velocity of the particle when centrifuged in a fluid medium divided by the centrifugal force acting on it, expressed in units of time

Hubble's constant in Hubble New Oxford Dictionary for Writers & Editors

, Edwin Powell (1889–1953), American astronomer, who proposed Hubble's law and Hubble's constant

Leonard Constant Lambert in Lambert, Constant Inglés británico e internacional

(1905–51), English composer, conductor, and critic; full name Leonard Constant Lambert. He wrote the music for the ballet Romeo and Juliet (1926) and the jazz work The Rio Grande (1929), later becoming musical director of Sadler’s Wells (1930–47)


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