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The Collaborative International Dictionary
Implosion

Implosion \Im*plo"sion\, n. [Formed by substitution of pref. im- in for pref. ex- in explosion.]

  1. A bursting inwards, as of a vessel from which the air has been exhausted; -- contrasted with explosion.

  2. Hence: The inward-moving detonation wave cause by detonation of explosives arrayed spherically around a core; -- a technique used in atomic bombs to compress fissionable material to allow a chain reaction time to produce an explosion of the fissionable material.

  3. (Phon.) A sudden compression of the air in the mouth, simultaneously with and affecting the sound made by the closure of the organs in uttering p, t, or k, at the end of a syllable (see Guide to Pronunciation, [sect][sect]159, 189); also, a similar compression made by an upward thrust of the larynx without any accompanying explosive action, as in the peculiar sound of b, d, and g, heard in Southern Germany.
    --H. Sweet.

Douglas Harper's Etymology Dictionary
implosion

"a bursting inward," 1829, modeled on explosion, with assimilated form of in- "into, in, on, upon" (see in- (2)).\n\nAnd to show how entire the neglect and confusion have been, they speak in the same breath of all these explosions, and of the explosion of a mixture of hydrogen and oxygen, the result of which, instead of being a gas or an enlargement of bulk, a positive quantity, is a negative one. It is a vacuum, in a popular sense, because the produce is water. The result is an implosion (to coin a word), not an explosion ....

["Gas-light," "Westminster Review," October 1829]

\nIn early use often in reference to effect of deep sea pressures, or in phonetics. Figurative sense is by 1960.
Wiktionary
implosion

n. 1 The inrush of air in forming a suction stop. 2 The action of imploding. 3 The act or action of bringing to or as if to a center.

WordNet
implosion
  1. n. a sudden inward collapse; "the implosion of a light bulb"

  2. the initial occluded phase of a stop consonant

Wikipedia
Implosion (mechanical process)

Implosion is a process in which objects are destroyed by collapsing (or being squeezed in) on themselves. The opposite of explosion, implosion concentrates matter and energy. True implosion usually involves a difference between internal (lower) and external (higher) pressure, or inward and outward forces, that is so large that the structure collapses inward into itself, or into the space it occupied if it is not a completely solid object. Examples of implosion include a submarine being crushed from the outside by the hydrostatic pressure of the surrounding water, and the collapse of a massive star under its own gravitational pressure.

An implosion can fling material outward (for example due to the force of inward falling material rebounding, or peripheral material being ejected as the inner parts collapse), but this is not an essential component of an implosion and not all kinds of implosion will do so. If the object was previously solid, then implosion usually requires it to take on a more dense form - in effect to be more concentrated, compressed, denser, or converted into a new material that is denser than the original. Also, it is helpful to note that due to the processes that cause an implosion, the object reacts from the inside out.

Implosion (novel)

Implosion is a science fiction novel by D. F. Jones, published in 1967, set in a United Kingdom just attacked by an unnamed minor Eastern Bloc country. The weapon used, 'Prolix', is a chemical sterilant, that, once ingested, renders most women sterile.

The protagonists are the minister for health, Dr. John Bart, M.D., and his wife Julia; he soon finds his Ministry the most important government entity in the new, post-attack Britain, while his wife is one of the country's few remaining fertile women. In the end, as the Minister for Health, Dr. Bart finds himself creating a new society where fertile women are herded to concentration camps, to spend the rest of their lives reproducing.

Meanwhile, the rest of the world are shooting Prolix at each other, gradually reducing their populations to Britain's circumstance. At story's end, mankind learns that the genetic quirk that kept some women fertile allows them to only bear boys, thus dooming humanity to extinction.

Category:1967 novels Category:1960s science fiction novels Category:Post-apocalyptic novels Category:Novels by D. F. Jones

Implosion

Implosion can refer to:

Implosion (Ghost Whisperer)

"Implosion" is the 100th episode and the 15th episode from Season 5 of Ghost Whisperer, it originally aired on March 5, 2010 on CBS in United States.

Usage examples of "implosion".

It is assumed that braking action due to rotation or some other mechanism ultimately leads to mantle-envelope explosion following core implosion caused by endoergic nuclear phase changes.

The implosion of air and shock wave of thunder flipped the dropship over twice, but Suma IV never lost control.

Flocks of kesters circled and dipped above it, frightened into the upper air by the implosions which had torn out a central chunk of the lagoon floor.

Secondary implosions inside the cryo-containers tore off the clothing worn under the spacesuits, and its shreds were forced by the oxygen from the bursting suits into the nitrogen coffins, where they turned to ash.

Implosions: a shrinking forehead, a shriveling body, an apelike face, and at last the great anatomical redesign to restore the wide-eyed creatures that lived in the trees.

Instantly space outside the Drex vessel was filled with multiple types of energy beam, neutron-compacted explosives, hot plasma, shaped charges traveling just below tachyspeed, molecular bond disrupters, and for good measure, a half dozen spatially circumscribed thermonuclear implosion bombs.

The 'base frees and condenses, compresses the whole experience to the implosion of one terrible shattering spike in the graph, an afflated orgasm of the heart that makes her feel, truly, attractive, sheltered by limits, deveiled and loved, observed and alone and sufficient and female, full, as if watched for an instant by God.

But she was in the guidance and navigation center today, compiling telemetry reports on how the implosion of the Amargosa sun had affected the area.

Silence would have been a terrible din compared to the sudden soft implosion of noiselessness that hit the wizards with the force of an exploding dandelion clock.

I surmise that open civil warfare and the successful liberation of POPPA's death camps have fueled this implosion.

The implosion was so close that their eardrums popped with negative pressure, and Reblax felt his eyeballs tugged in their sockets.

Mauser-fire crackled, kicking up spouts of yellow dust about their feet, and they winced and ducked at the implosion of air in their eardrums as passing shot whipped about their heads.

There's nothing in the universe which remotely resembles the implosion residue of radiobromine fuel.

I am surprised that we were not all blinded by the light show going on up there where the stars had been a moment earlier: great blossoms of white light, strobes of sulfur yellow, blazing red streaks -- far brighter than a comet or meteor's tail -- crisscrossed with blue, green, white, and yellow slashes -- each as clear and straight as a diamond scratch on glass, then sudden bursts of orange that seemed to fold into themselves in silent implosions, followed by more white strobes and a resumption of red slashes.

The tent pole in the boy's upraised hand glowed as bright as a neon sign, Tommy's hair rose from his head and writhed like a nest of snakes, and then the dark form of Gavin merged with boy and the two tumbled off the boulder just as the world exploded in light and noise and a great implosion pressed Baedecker into the ground and submerged his senses in pulses of pure energy.