(economics) A period of intense speculation in a market, causing prices to rise quickly to irrational levels as the metaphorical bubble expands, and then fall even more quickly as the bubble bursts (eg the South Sea Bubble).
(obsolete) Someone who has been ‘bubbled’ or fooled; a dupe.
(figuratively) The emotional and/or physical atmosphere in which the subject is immersed; circumstances, ambience.
(computing) Any of the small magnetized areas that make up bubble memory.
(poker) The point in a poker tournament when the last player without a prize loses all their chips and leaves the game, leaving only players that are going to win prizes. (e.g., if the last remaining 9 players win prizes, then the point when the 10th player leaves the tournament)
Verb
(intransitive) To produce bubbles, to rise up in bubbles (such as in foods cooking or liquids boiling).
(intransitive, figuratively) To churn or foment, as if wishing to rise to the surface.
(intransitive, figuratively) To rise through a medium or system, similar to the way that bubbles rise in liquid.