1
[ noun ] a hollow globule of gas (e.g., air or carbon dioxide)

Used in print

(James A. Ibers et al., "Proton magnetic resonance...)

Spectra were also obtained from a sample in a spherical container which was made by blowing a bubble on the end of a capillary glass tube .

The bubble was filled to the top and special precautions were taken to prevent any sample from remaining in the capillary .

(David Stacton, The Judges of the Secret Court....)

In Washington_City everyone lived in a bubble of plots , and one death might attract another .

2
[ verb ] form produce, or emit bubbles, as of liquids or gases

Examples

"The soup was bubbling"

Used in print

(Edwin Booth, Outlaw Town....)

Sweat bubbled out on Jess 's swarthy face .

Related terms

emit foam bubble_over

3
[ verb ] flow in an irregular current with a bubbling noise, as of water

Examples

"babbling brooks"

Related terms

go gurgle ripple gurgle

4
[ noun ] a dome-shaped covering made of transparent glass or plastic

Related terms

covering

5
[ noun ] an impracticable and illusory idea

Examples

"he didn't want to burst the newcomer's bubble"

Related terms

illusion

6
[ noun ] a speculative scheme that depends on unstable factors that the planner cannot control

Synonyms

house_of_cards

Examples

"his proposal was nothing but a house of cards" "a real estate bubble"

Related terms

scheme

7
[ verb ] expel gas from the stomach

Synonyms

belch eruct burp

Examples

"In China it is polite to burp at the table"

Related terms

emit belch

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