bubble >> /ˈbəb(ə)l/
Definition: [noun] A thin sphere of liquid enclosing air or another gas.
Example: Her wet-sleeved urchin takes advantage of the soapy water to blow bubbles.
Definition: [noun] Used to refer to a good or fortunate situation that is isolated from reality or unlikely to last.
Example: we both lived in a bubble, the kind provided by occupying a privileged pied-à-terre in Greenwich Village
Definition: [noun] A transparent domed cover or enclosure.
Example: piglets born into a sterile bubble
Definition: [noun] A marine mollusk that typically has a thin scroll-like shell.
Example: When the animal dies, the shells often wash up on beaches and are hard to distinguish from the bubbles produced by waves splashing on the shore, hence the name ‘bubble shells.’
Definition: [intransitive verb] (of a liquid) contain bubbles of air or gas rising to the surface.
Example: a pot of soup bubbled away on the stove