Pronunciation: (bOOm), [key]
1. to make a deep, prolonged, resonant sound.
2. to move with a resounding rush or great impetus.
3. to progress, grow, or flourish vigorously, as a business or a city: Her business is booming since she enlarged the store.

1. to give forth with a booming sound (often fol. by out): The clock boomed out nine.
2. to boost; campaign for vigorously: His followers are booming George for mayor.

1. a deep, prolonged, resonant sound.
2. the resonant cry of a bird or animal.
3. a buzzing, humming, or droning, as of a bee or beetle.
4. a rapid increase in price, development, numbers, etc.: a boom in housing construction.
5. a period of rapid economic growth, prosperity, high wages and prices, and relatively full employment.
6. a rise in popularity, as of a political candidate.

caused by or characteristic of a boom: boom prices.


Pronunciation: (bOOm), [key]
1. Naut.any of various more or less horizontal spars or poles for extending the feet of sails, esp. fore-and-aft sails, for handling cargo, suspending mooring lines alongside a vessel, pushing a vessel away from wharves, etc.
2. Aeron.
a. an outrigger used on certain aircraft for connecting the tail surfaces to the fuselage.
b. a maneuverable and retractable pipe on a tanker aircraft for refueling another aircraft in flight.
c. chord1 (def. 4).
3. a chain, cable, series of connected floating timbers, or the like, serving to obstruct navigation, confine floating timber, etc.
4. the area thus shut off.
5. Mach.a spar or beam projecting from the mast of a derrick for supporting or guiding the weights to be lifted.
6. (on a motion-picture or television stage) a spar or beam on a mobile crane for holding or manipulating a microphone or camera.
7. lower the boom, to take decisive punitive action: The government has lowered the boom on tax evaders.

1. to extend or position, as a sail (usually fol. by out or off).
2. to manipulate (an object) by or as by means of a crane or derrick.

to sail at full speed.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Boole's inequalityboom-and-bust
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