constant
nounEtymology From Middle English constant, from Old French constant, from Latin constantem, accusative of constans, from cōnstāre (“to stand firm”). Displaced native Old English singal.
1
That which is permanent or invariable.
2
Algebra, Mathematics, Sciences A quantity that remains at a fixed value throughout a given discussion or operation.
- We also establish that constants are local extremizers of the Tomas-Stein adjoint restriction inequality as well as of another inequality appearing in the program..2015, Emanuel Carneiro, Damiano Foschi, Diogo Oliveira e Silva, Christoph Thiele, “A sharp trilinear inequality related to Fourier restriction on the circle”, in arXiv:
3
Sciences Any property of an experiment, determined numerically, that does not change under given circumstances.
- Based on their acid dissociation constants (pKa), seleneous^([sic]) acid (H2SeO3) and selenic acid (H2SeO4) are anionic under common environmental conditions [48], e.g., as selenite (SeO32−) and selenate (SeO42−).2015, Lenny H.E. Winkel et al., “Selenium Cycling Across Soil-Plant-Atmosphere Interfaces: A Critical Review”, in Nutrients, volume 7, →DOI:
4
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.
- Derived terms
71 terms
absolute constant, acid dissociation constant, Apéry's constant, Archimedes' constant, Avogadro constant, Avogadro's constant, Boltzmann constant, Boltzmann's constant, Brun's constant, Catalan's constant, Chaitin's constant, Champernowne constant, constant function, constant of integration, constant problem, Conway's constant, Copeland-Erdős constant, cosmological constant, Coulomb's constant, de Bruijn-Newman constant, decay constant, dielectric constant, Dirac constant, Dirac's constant, Einstein constant, Einstein's constant, equilibrium constant, Euler-Mascheroni constant, Feigenbaum constant, fine structure constant, fine-structure constant, Fransén-Robinson constant, fundamental constant, gas constant, Gelfond's constant, gravitational constant, Henry's law constant, Hubble constant, Hubble's constant, Landau-Ramanujan constant, lattice constant, Legendre's constant, Lipschitz constant, Lizardman's Constant, logical constant, Ludolph's constant, Madelung constant, magic constant, Marchetti's constant, Napier's constant, physical constant, Planck constant, Planck's constant, propagation constant, propositional constant, Ramanujan's constant, rate constant, reaction rate constant, Rydberg constant, screening constant, separation constant, shielding constant, sofa constant, solar constant, Sommerfeld's constant, spring constant, Stefan-Boltzmann constant, Stieltjes constant, symbolic constant, time constant, Verdet constant- Related terms
- constantly, constancy, literal