A @C00876@ bed in which the flow of gases is sufficient to cause the finely divided particles to behave like a fluid.
PAC, 1976, 46, 71. (Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II: Heterogeneous Catalysis
) on page 80 [Terms