effervescence

Soda has effervescence. How can you tell? Just look for bubbles. Things that bubble have effervescence.

Effervescence derives from French. To pronounce it correctly, say "eff er VES ence." Originally it meant "the action of boiling up," but it has also come to mean "lively," such as the effervescence of someone who has energy and charisma. It is the opposite of flatness, in which things seem slow, dead, or just "off," like all the air — or energy — is gone.

Definitions of effervescence
  1. noun
    the process of bubbling as gas escapes
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    type of:
    action, activity, natural action, natural process
    a process existing in or produced by nature (rather than by the intent of human beings)
  2. noun
    the property of giving off bubbles
    synonyms: bubbliness, frothiness
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    type of:
    gaseousness
    having the consistency of a gas
  3. noun
    irrepressible liveliness and good spirit
    synonyms: buoyancy, irrepressibility
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    type of:
    life, liveliness, spirit, sprightliness
    animation and energy in action or expression
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