a form of carbon having very fine pores: used chiefly for adsorbing gases or solutes, as in various filter systems for purification, deodorization, and decolorization.
Valentine’s Day emojiRead more in this article about some frequently asked questions and fun facts related to our definitions.
Wonder TwinsRead more in this article about some frequently asked questions and fun facts related to our definitions.
- actions speak louder than words,
- activated alumina,
- activated charcoal,
- activated mine,
- activated resin,
- activated sludge,
Origin of activated carbon
First recorded in 1920–25
Also called activated charcoal.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a porous highly adsorptive form of carbon used to remove colour or impurities from liquids and gases, in the separation and extraction of chemical compounds, and in the recovery of solventsAlso called: activated charcoal, active carbon
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