constant in Wiktionary, the free dictionary. Constant or The Constant may refer to: Constant (mathematics), a non-varying value Mathematical constant...

The Planck constant, or Planck's constant, denoted by h {\textstyle h} , is a fundamental physical constant of foundational importance in quantum mechanics:...

The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative thermal energy of particles in a gas with the thermodynamic...

The molar gas constant (also known as the gas constant, universal gas constant, or ideal gas constant) is denoted by the symbol R or R. It is the molar...

"The Constant" is the fifth episode of the fourth season of the American Broadcasting Company's (ABC) serial drama television series Lost, and the 77th...

The gravitational constant is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal...

written as ln(x) or loge(x). Euler's constant (sometimes called the Euler–Mascheroni constant) is a mathematical constant, usually denoted by the lowercase...

The Avogadro constant, commonly denoted NA or L, is an SI defining constant with an exact value of 6.02214076×1023 mol−1 (reciprocal moles). It is defined...

Stability constants, formation constants, binding constants, association constants and dissociation constants are all types of equilibrium constants. For a...

the cosmological constant (usually denoted by the Greek capital letter lambda: Λ), alternatively called Einstein's cosmological constant, is a coefficient...

A mathematical constant is a number whose value is fixed by an unambiguous definition, often referred to by a special symbol (e.g., an alphabet letter)...

In spectroscopy, the Rydberg constant, symbol R ∞ {\displaystyle R_{\infty }} for heavy atoms or R H {\displaystyle R_{\text{H}}} for hydrogen, named after...

A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that cannot be explained by a theory and therefore...

Constant d'Aubigné (French pronunciation: [kɔ̃stɑ̃ dobiɲe]; 1585 – 31 August 1647) was a French nobleman, son of Théodore-Agrippa d'Aubigné, the poet,...

Radiation constant may refer to: The first and second radiation constants c1 and c2 – see Planck's Law The radiation density constant a – see Stefan–Boltzmann...

with Euler's constant, a different constant typically denoted γ {\displaystyle \gamma } . Alternatively, e can be called Napier's constant after John Napier...

Constant folding and constant propagation are related compiler optimizations used by many modern compilers. An advanced form of constant propagation known...

The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal...

A form constant is one of several geometric patterns which are recurringly observed during hypnagogia, hallucinations and altered states of consciousness...

In calculus, the constant of integration, often denoted by C {\displaystyle C} (or c {\displaystyle c} ), is a constant term added to an antiderivative...

In physical chemistry, the Faraday constant (symbol F, sometimes stylized as ℱ) is a physical constant defined as the quotient of the total electric charge...

constant, or affinity constant/association constant, is a special case of the equilibrium constant K, and is the inverse of the dissociation constant...

In probability theory, a normalizing constant or normalizing factor is used to reduce any probability function to a probability density function with total...

Susan Constant (or Sarah Constant) was the largest of three ships of the English Virginia Company on the 1606–1607 voyage that resulted in the founding...

Constant bitrate (CBR) is a term used in telecommunications, relating to the quality of service. Compare with variable bitrate. When referring to codecs...

In physics, a coupling constant or gauge coupling parameter (or, more simply, a coupling), is a number that determines the strength of the force exerted...

Constant Anton Nieuwenhuys (21 July 1920 – 1 August 2005), better known as Constant, was a Dutch painter, sculptor, graphic artist, author and musician...

The propagation constant of a sinusoidal electromagnetic wave is a measure of the change undergone by the amplitude and phase of the wave as it propagates...

In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted ⁠ K a {\displaystyle K_{a}} ⁠) is a...

In physics and engineering, the time constant, usually denoted by the Greek letter τ (tau), is the parameter characterizing the response to a step input...