From Longman Dictionary of Contemporary Englishbubblebub‧ble1 /ˈbʌbəl/ ●●○ noun [countable] 1 
AIRa ball of air or gas in liquid When water boils, bubbles rise to the surface. soap bubbles She was blowing bubbles in her milk with a straw.2 AIRa small amount of air trapped in a solid substance Examine the glass carefully for bubbles.3 → a bubble of something4 (also speech bubble)TCN a circle around the words said by someone in a cartoon5 a situation in which the prices of something such as company shares or houses increase a lot very quickly, so they are too high and will quickly come down again Eager investors created a stock market bubble.6 → the bubble bursts7 → burst/prick somebody’s bubble
AIRa ball of air or gas in liquid When water boils, bubbles rise to the surface. soap bubbles She was blowing bubbles in her milk with a straw.2 AIRa small amount of air trapped in a solid substance Examine the glass carefully for bubbles.3 → a bubble of something4 (also speech bubble)TCN a circle around the words said by someone in a cartoon5 a situation in which the prices of something such as company shares or houses increase a lot very quickly, so they are too high and will quickly come down again Eager investors created a stock market bubble.6 → the bubble bursts7 → burst/prick somebody’s bubbleExamples from the Corpus
bubble• He may respond with a shy smile when mom or dad blows bubbles on his stomach.• If bubbles do not appear, the yeast organisms have died.• No one knew anyone in the other bubble.• While it was on top, it lost some of the bubbles and sank to the bottom again.• Equally, it is no coincidence that we hear a good deal less of it now that the bubble is deflating.• Standing back, she watched the bubbles coming up into the bottle.• The bubble in technology shares has deflated.• The tiny bubbles, stirred by her breath, foam up briefly and dissolve.blowing bubbles• Why not something else equally apparently arbitrary, such as blowing bubbles, or dropping pebbles?bubblebubble2 verb [intransitive] 1 AIRto produce bubbles Heat the cheese until it bubbles.bubble up The cola bubbled up when I unscrewed the lid.2 CSOUNDto make the sound that water makes when it boilsbubble away The water was bubbling away on the stove.3 (also bubble over)EXCITED to be excitedbubble with Mary was bubbling over with excitement.4 (also bubble away/up) if a feeling or activity bubbles, it continues to exist Resentment was still bubbling inside her. Speculation that he plans to resign has been bubbling away for months.→ See Verb tableExamples from the Corpus
bubble• Pure, liquid hatred bubbled behind my eyes.• When the pancakes start to bubble, flip them over.• Santerre bubbled like a stream in spring.• A large saucepan of soup was bubbling on the stove.• Stir in milk and soup and heat until bubbling, stirring occasionally.• Often, it happens because good ideas bubble up from employees who actually do the work and deal with the customers.• A bundle of black walked toward her, round, bobbing, and bubbling with good cheer.• Solar advocates bubble with the possibilities.bubble up• Oil was bubbling up to the surface.bubble away• The leisurely bath has reached just the right temperature and the birthday bath salts are bubbling away beautifully.• The heater had been adjusted to give a temperature of 76°F, and the filter was bubbling away nicely.• The water was bubbling away on the stove.• Whitley's goalkeeper Brian Dickson, a chef for a hospital catering company, bubbled away underneath the flat, old-fashioned crossbars.bubble with• Boyer bubbled with enthusiasm.From Longman Business Dictionarybubblebub‧ble /ˈbʌbəl/ noun [countable]1FINANCEwhen a lot of people buy shares in a company that is financially weak, with the result that the price of the shares becomes much higher than their real valueA speculative bubble may have been responsible for the rapid rise in share prices.The boom that created the bubble economy is over.2COMMERCE the bubble bursts if the bubble bursts in a particular area of business, a period of growth and success ends suddenlySoftware companies enjoyed rapid expansion before the bubble burst and market growth slowed.Origin bubble1 (1300-1400) Probably from the sound of bubbles in liquid 