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Related to collapsing: fainting, collapsing pulse
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collapse into (something)

1. To physically drop or fall into something. Once Sarah crossed the finish line, she collapsed into her boyfriend's arms. After I got home from a 12-hour day at work, I collapsed into a comfy chair and dozed off.
2. To abruptly enter a negative state, such as a depression. After I lost my job, I collapsed into a serious depression. Economists have been warning that the country could collapse into another recession if preventative measures are not taken.
See also: collapse

collapse under the weight of (someone or something)

To fall down after supporting someone or something that is too heavy. The roof collapsed under the weight of all that snow.
See also: collapse, of, weight
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

collapse into something

1. Lit. to fall down into something with suddenness, as if out of energy. She was so tired, she collapsed into the chair. Juan collapsed into a chair and fell fast asleep.
2. Fig. [for someone] to fall into a particular kind of despair. The poor man collapsed into a deep depression. Scott collapsed into his own personal brand of grieving.
See also: collapse

collapse under someone or something

to cave in under the weight of someone or something. The grandstand collapsed under the weight of the spectators. The bridge collapsed from the force of the flood.
See also: collapse
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

collapse, fall, etc. in/into a ˈheap

fall down heavily and not move: He collapsed in a heap on the floor.
See also: heap
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
* Windmoeller & Hoelscher, the first blown-film equipment supplier to offer an oscillating hauloff back in 1973, sells a unit that feeds the film through a series of two horizontally arranged turning bars and two idler rolls after the primary nip and collapsing frame.
In high-energy bursts, a collapsing star expels jets of material at near-light speeds.
The resulting chemical inventory revealed that a hundred times as much of a collapsing bubble's energy goes into chemical reactions as into light emissions.
Using detectors, the Oak Ridge research team looked for surges of neutron emissions that correlated with the light flashes of collapsing bubbles.
The relative intensity of the light at different wavelengths is an excellent thermometer for determining the temperature of the metal atoms and, hence, the implosion temperature of the gas inside a collapsing bubble, Suslick notes.
"Here, we're talking about the possibility of observing all the atoms in this coherent entity collapsing together at once," Hulet says.
The observation that a collapsing bubble can actually appear perfectly spherical, at least sometimes, is surprising, Putterman says.
Researchers knew then that collapsing bubbles could create high temperatures and pressures, a phenomenon known as acoustic cavitation.
With both inflow and outflow of gas thought to occur simultaneously, it's difficult to zero in on just the inner, collapsing regions, especially by examining radio emissions from a favorite astrophysical molecule, carbon monoxide.
However, that same study indicates that the ice sheet behaves erratically, sometimes collapsing suddenly without regard to global temperatures.
In the case of the Elm slide, though, the collapsing cliffside plummeted 610 meters and sped through the valley for a horizontal distance of 2.1 kilometers, more than three times as far as it dropped.
Stellar winds and the resulting molecular outflows are collectively powerful enough to generate sufficient turbulence to keep the whole cloud from collapsing, Lada and Shu say.