a crystal, powder, or liquid preparation that foams in, scents, and softens bathwater.
a bath with such a preparation added to the water.
Origin of bubble bath
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a powder, liquid, or crystals used to scent, soften, and foam in bath water
a bath to which such a substance has been added
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