"Hollow cavities" refers to empty spaces or gaps inside something, like a cavity in a tooth or a hole in the ground.
Full definition
«We developed a system that takes silicone elastomer and placed
hollow cavities in such a way that can equally distribute pressure on the skin of the body,» the study's lead author Robert Katzschmann told TechCrunch.
These rock formations filled with tiny crystalline surprises take shape
once hollow cavities form in the earth, often left over from magma or withering organic matter.
Sinusitis is an acute or chronic inflammation of the nasal sinuses -
hollow cavities within the cheekbones found around the eyes and behind the nose.
The basic components of the mammary gland are the alveoli (
hollow cavities, a few millimetres large) lined with milk - secreting cuboidal cells and surrounded by myoepithelial cells.
The material is composed of
hollow cavities.
It was just too big, and when we looked at the specimen there was a tube of mud infilling what in life was
a hollow cavity.
The repetition in shape and shift in scale draws focus not only to the individual discrepancies in rendering texture — inherent to any handmade work — but also brings into view
the hollow cavity of the box form itself.
Thus, you didn't need use insulation in
the hollow cavity of the wall and run into the acoustic issues that this often presents in affecting the voicing of the speakers.