Reference meaning
bubble
Last updated
a hollow globule of gas (e.g., air or carbon dioxide)
Other meanings
2. noun
a speculative scheme that depends on unstable factors that the planner cannot control
3. noun
an impracticable and illusory idea
4. noun
a dome-shaped covering made of transparent glass or plastic
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 09229709-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.