[ floo-i-dahyz ]
/ ˈflu ɪˌdaɪz /

verb (used with object), flu·id·ized, flu·id·iz·ing.

to make (something) fluid.
Chemistry. to suspend or transport (finely divided particles) in a stream of gas or air.

verb (used without object), flu·id·ized, flu·id·iz·ing.

to become fluid.
Also especially British, flu·id·ise.

Origin of fluidize

First recorded in 1850–55; fluid + -ize

Related forms

flu·id·i·za·tion, nounflu·id·iz·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for fluidize



/ (ˈfluːɪˌdaɪz) /


(tr) to make fluid, esp to make (solids) fluid by pulverizing them so that they can be transported in a stream of gas as if they were liquidsfluidized coal

Derived Forms

fluidization or fluidisation, nounfluidizer or fluidiser, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012