| balloon | | |
| n. (artifact) | 1. balloon | large tough nonrigid bag filled with gas or heated air. |
| ~ gasbag, envelope | the bag containing the gas in a balloon. |
| ~ hot-air balloon | balloon for travel through the air in a basket suspended below a large bag of heated air. |
| ~ lighter-than-air craft | aircraft supported by its own buoyancy. |
| ~ meteorological balloon | a small unmanned balloon set aloft to observe atmospheric conditions. |
| ~ ripcord | a cord that is pulled to open the gasbag of a balloon wide enough to release gas and so causes the balloon to descend. |
| ~ trial balloon | a balloon sent up to test air currents. |
| n. (artifact) | 2. balloon | small thin inflatable rubber bag with narrow neck. |
| ~ plaything, toy | an artifact designed to be played with. |
| v. (motion) | 3. balloon | ride in a hot-air balloon.; "He tried to balloon around the earth but storms forced him to land in China" |
| ~ aviate, pilot, fly | operate an airplane.; "The pilot flew to Cuba" |
| v. (change) | 4. balloon, billow, inflate | become inflated.; "The sails ballooned" |
| ~ reflate | become inflated again. |
| ~ expand | become larger in size or volume or quantity.; "his business expanded rapidly" |
| inflate | | |
| v. (change) | 1. amplify, blow up, expand, inflate | exaggerate or make bigger.; "The charges were inflated" |
| ~ increase | make bigger or more.; "The boss finally increased her salary"; "The university increased the number of students it admitted" |
| ~ puff up | make larger or distend.; "The estimates were puffed up" |
| v. (change) | 2. blow up, inflate | fill with gas or air.; "inflate a balloons" |
| ~ reflate | inflate again.; "reflate the balloon" |
| ~ expand | make bigger or wider in size, volume, or quantity.; "expand the house by adding another wing" |
| ~ surge, billow, heave | rise and move, as in waves or billows.; "The army surged forward" |
| v. (change) | 3. inflate | cause prices to rise by increasing the available currency or credit.; "The war inflated the economy" |
| ~ alter, change, modify | cause to change; make different; cause a transformation.; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue" |
| ~ reflate | economics: raise demand, expand the money supply, or raise prices, after a period of deflation.; "These measures reflated the economy" |
| v. (change) | 4. inflate | increase the amount or availability of, creating a rise in value.; "inflate the currency" |
| ~ cut down, reduce, trim back, trim down, cut, cut back, trim, bring down | cut down on; make a reduction in.; "reduce your daily fat intake"; "The employer wants to cut back health benefits" |
| vesicle | | |
| n. (body) | 1. cyst, vesicle | a small anatomically normal sac or bladderlike structure (especially one containing fluid). |
| ~ dacryocyst, lacrimal sac, tear sac | either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands. |
| ~ dictyosome, golgi apparatus, golgi body, golgi complex | a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions). |
| ~ sac | a structure resembling a bag in an animal. |
| ~ bleb, bulla, blister | (pathology) an elevation of the skin filled with serous fluid. |
| ~ follicle | any small spherical group of cells containing a cavity. |
| ~ liposome | an artificially made microscopic vesicle into which nucleic acids can be packaged; used in molecular biology as a transducing vector. |
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