something that thickens.
an apparatus for the sedimentation and removal of solids suspended in various liquids.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thickener in a sentence
Just add methyl cellulose, a thickener that can withstand high temperatures.
It is also useful as a thickener, in a mechanical point of view.A Dictionary of Arts, Manufactures and Mines | Andrew Ure
It may also be used as a thickener in calico-printing and for fining beer.
The most ordinary and cheapest thickener was the coal pitch.