Definition of suspending agent
: a substance (such as carrageenan, xanthan gum, or cellulose ether) that is added to fluids to promote particle suspension or dispersion and reduce sedimentation
- All these drinks can contain preservatives, and drinks other than juices can contain additives to colour, flavour and sweeten. They may also have … a suspending agent to prevent what fruit there is from falling sadly to the bottom of the bottle.
- —Derek Cooper, The Beverage Report, 1970
