fluidizev.
/ˈfluːᵻdʌɪz/, U.S. /ˈfluəˌdaɪz/ 1. transitive. To convert into a fluid; to fluidify.
ΚΠ
1855 in H. Clarke New Dict. Eng. Lang.
2. To cause (a mass of finely divided solid) to assume fluidity and other characteristics of a liquid by passing a current of gas, vapour, or liquid upwards through it.
ΘΚΠ
the world > matter > chemistry > chemical reactions or processes > undergo chemical reactions or processes [verb] > undergo chemical reactions or processes (named) > to cause to assume fluidity
fluidize1945
1945 Industr. & Engin. Chem. Apr. 332/2 The density of the powder is related to the air rate necessary to fluidize it.
1950 Petroleum Refiner Sept. 191/1 Air serves to transfer catalyst to the regenerator and to fluidize the catalyst bed there.
1965 Sci. Jrnl. June 65/1 Powder is transferred by pipe..and is fluidized whenever it is necessary to lift it vertically.
1967 P. J. Wyllie Ultramafic & Related Rocks viii. 241/1 In the Mesozoic, the massive kimberlite was invaded by an influx of gases, fluidized, and carried upwards at low temperatures.
1968 J. M. Coulson & J. F. Richardson Chem. Engin. (ed. 2) II. vi. 196 Systems fluidised with a liquid do not tend to give rise to bubbles.
Derivatives
ˈfluidized adj. esp. in fluidized bed.
ΘΚΠ
the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > caused to assume fluidity
fluidized1943
fluidizing1947
1943 Industr. & Engin. Chem. July 768/2 A fluidized mass can be circulated by application of the gas lift principle.
1949 Industr. & Engin. Chem. June 1227 (heading) Reaction of methane with copper oxide in a fluidized bed.
1954 D. L. Reynolds in Amer. Jrnl. Sci. 252 580 The conduit of the volcano was eroded and widened by fluidized solid particles.
1963 Jrnl. Pharmaceut. Sci. 52 284 Fluidized bed drying of tablet granulations is at least 15 times faster than tray drying procedures.
1963 Economist 31 Aug. 760/2 Everything from fluidised-bed coating with plastics to electrophoretic deposition.
1971 Guardian 4 June 9/4 Suspended in a fluidised bed like pingpong balls in a funfair.
ˈfluidizing adj. and n.
ΘΚΠ
the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > convert into a fluid
fluidizing1947
the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > caused to assume fluidity
fluidized1943
fluidizing1947
1947 Chem. Engin. Progr. XLIII. 435/1 Drop in pressure due to gas travel though a bed of solids is practically independent of its velocity when smooth, dense phase fluidizing action takes place.
1949 Industr. & Engin. Chem. June 1135/2 Heat transfer between the fluidized solid and the fluidizing gas.
1959 Times Rev. Industry June 55/1 The growing importance of fluidizing techniques for the movement of materials in bulk.
ˈfluidizer n. an apparatus in which fluidization is carried out.
ΘΚΠ
the world > matter > chemistry > equipment or apparatus > [noun] > vessels for specific reactions > other
sublimer1749
still1853
Erlenmeyer flask1886
fluorometer1892
Kjeldahl flask1909
fluidizer1955
hydro-cracker1965
hydrogasifier1966
1955 Sci. News 36 69 (caption) Prototype of fluidizer.
1964 New Scientist 24 Sept. 759/3 There are some interesting arguments in favour of the fluidiser as an auxiliary means of cooking.
This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022).
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