activated alumina

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noun Chemistry.

alumina in the form of granules having many fine pores, used to adsorb water and various gases.

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Words nearby activated alumina

action stations, action verb, Actis, Actium, activate, activated alumina, activated carbon, activated charcoal, activated mine, activated resin, activated sludge

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use activated alumina in a sentence

The fMRI scan measures blood flow in the brain, and can sense when certain areas are activated.
Welcome to Generation Overshare: Lena Dunham, Taylor Swift, and the Politics of Self-Disclosure|Marlow Stern|November 6, 2014|DAILY BEAST
Synchronoss only got paid when a customer activated on AT&T, so each of those jailbreakers was costing Synchronoss money.
NSA Chief Bet Money on AT&T as It Spied on You|Shane Harris|November 4, 2014|DAILY BEAST
As for the claims that activated charcoal will help purify your body from toxins?
Could Eating Charcoal Help You Detox?|DailyBurn|September 20, 2014|DAILY BEAST
Some natural health practitioners also say activated charcoal can be useful to treat minor digestive issues.
Could Eating Charcoal Help You Detox?|DailyBurn|September 20, 2014|DAILY BEAST

To make this finding even more compelling, Rubin de-activated RB in female brain cells.
Why Men May Be More Likely to Get Deadly Brain Cancer|Dr. Anand Veeravagu, MD, Tej Azad|August 5, 2014|DAILY BEAST
I did not know if it was an alarm activated by the opening door or just rust on the rails and wheels of the door mechanism.
Valley of the Croen|Lee Tarbell
To this are added 250 parts by weight of washed gelatinous alumina.
Field's Chromatography|George Field
The alumina is dissolved in sulphuric acid, leaving the silica.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
The ash should then be submitted to the various reagents in order to detect lime, alumina, &c.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Sulphydrate of ammonium precipitates alumina from these solutions:—7.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley

British Dictionary definitions for activated alumina

activated alumina

noun

a granular highly porous and adsorptive form of aluminium oxide, used for drying gases and as an oil-filtering material and catalyst

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