A dimensionless parameter used to characterize the physical regime in which a system falls.
Archimedes' Number, Avogadro's Number, Bingham Number, Biot Number, Boussinesq Number, Ekman Number, f-Number, Fresnel Number, Froude Number, Golitsyn Number, Grashof Number, Internal Froude Number, Loschmidt Number, Love Number, Magnetic Reynolds Number, Mason Number, Nusselt Number, Péclet Number, Prandtl Number, Rayleigh Number, Reynolds Number, Richardson Number, Reech Number, Rossby Number, Schmidt Number, Strouhal Number, Taylor Number, Timescale Number, Valentine-Fischer Number, Weber Number
References
Weast, R. C. (Ed.). Handbook of Chemistry and Physics, 61st ed. Boca Raton, FL: CRC Press, pp. F-353 to F-362, 1981.