bubble under


Also found in: Idioms.

bubble under

vb (intr, adverb)
1. to remain just beneath a particular level
2. to continue in the background or under the surface
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The width of the computation domain is usually 3-5 the bubble diameter, which has been proved to have little disturbance from the boundary on the shape and velocity of the bubble under the conditions studied in this work.
13 was associated with the disappearance of the smaller surrounding bubbles, so that the bubble under consideration remained eventually relatively isolated.