constants

Noun

constant (plural constants)

1. That which is permanent or invariable.
2. 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

   Antonyms:

   variable

3. 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. An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.

See all 13 meanings of constant