water balloon
noun
A balloon that is filled, or intended to be filled, with water, especially for use as a water bomb.
Origin
Late 17th century.
- photoperiodic
- photoperiodically
- photoperiodism
- photopheresis
- photophil
- photophile
- photophilic
- photophilous
- photophily
- photophob
- photophobe
- photophobia
- photophobic
- photophobous
- photophone
- photophonic
- photophore
- photophoresis
- photophosphorescent
- photophosphorylation
- photophthalmia
- photophysical
- photophysics
- photopia
- photopic