The difference between Dump and Jettison
When used as nouns, dump means a place where waste or garbage is left, whereas jettison means collectively, items that have been or are about to be ejected from a boat or balloon.
When used as verbs, dump means to release, especially in large quantities and chaotic manner, whereas jettison means to eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load.
check bellow for the other definitions of Dump and Jettison
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Dump as a noun:
A place where waste or garbage is left; a ground or place for dumping ashes, refuse, etc.; a disposal site.
Examples:
"A toxic waste dump."
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Dump as a noun:
A car or boat for dumping refuse, etc.
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Dump as a noun:
That which is dumped, especially in a chaotic way; a mess.
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Dump as a noun (computing):
An act of dumping, or its result.
Examples:
"The new XML dump is coming soon."
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Dump as a noun (computing):
A formatted listing of the contents of program storage, especially when produced automatically by a failing program
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Dump as a noun:
A storage place for supplies, especially military.
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Dump as a noun:
An unpleasant, dirty, disreputable, unfashionable, boring or depressing looking place.
Examples:
"This place looks like a dump."
"Don't feel bad about moving away from this dump."
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Dump as a noun (vulgar, slang, often with the verb "take", euphemism):
An act of defecation; a defecating.
Examples:
"I have to take a dump."
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Dump as a noun (usually in the plural):
A sad, gloomy state of the mind; sadness; melancholy; despondency
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Dump as a noun:
Absence of mind; revery.
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Dump as a noun (mining):
A pile of ore or rock.
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Dump as a noun (obsolete):
A melancholy strain or tune in music; any tune.
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Dump as a noun (obsolete):
An old kind of dance.
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Dump as a noun (historical, Australia):
A small coin made by punching a hole in a larger coin (called a holey dollar).
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Dump as a noun (obsolete):
A deep hole in a river bed; a pool.
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Dump as a verb (transitive):
To release, especially in large quantities and chaotic manner.
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Dump as a verb (transitive):
To discard; to get rid of something one does not want anymore.
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Dump as a verb (transitive):
To sell below cost or very cheaply; to engage in dumping.
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Dump as a verb (transitive, computing):
To copy data from a system to another place or system, usually in order to archive it.
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Dump as a verb (transitive, computing):
To output the contents of storage or a data structure, often in order to diagnose a bug.
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Dump as a verb (transitive, informal):
To end a relationship with.
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Dump as a verb (transitive):
To knock heavily; to stump.
Examples:
"rfquotek Halliwell"
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Dump as a verb (transitive, US):
To put or throw down with more or less of violence; hence, to unload from a cart by tilting it
Examples:
"We dumped the coal onto the fireplace."
"rfquotek Bartlett"
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Dump as a verb (transitive, US):
To precipitate (especially snow) heavily.
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Dump as a noun (UK, archaic):
A thick, ill-shapen piece.
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Dump as a noun (UK, archaic):
A lead counter used in the game of chuck-farthing.
Examples:
"rfquotek Smart"
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Jettison as a noun (uncountable):
Collectively, items that have been or are about to be ejected from a boat or balloon.
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Jettison as a noun (countable):
The action of jettisoning items.
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Jettison as a verb:
To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load.
Examples:
"The ballooners had to jettison all of their sand bags to make it over the final hill."
"The jettisoning of fuel tanks''."
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Jettison as a verb:
To let go or get rid of as being useless or defective; discard.