fluidized bed

noun

: a bed of small solid particles (as in a coal burning furnace) suspended and kept in motion by an upward flow of a fluid (such as a gas)

called also fluid bed

Examples of fluidized bed in a Sentence

Recent Examples on the Web

To sift out precious minerals, engineers often blow air bubbles through the material in a setup called a bubbling fluidized bed—and a new twist could make this costly process more efficient. —Tess Joosse, Scientific American, 18 Oct. 2021

Word History

First Known Use

1949, in the meaning defined above