Crater - definition of Crater by The Free Dictionary /Crater
Crater Also found in: , , , , , .
(krā′tər)n. A constellation in the Southern Hemisphere near Hydra and Corvus.[Latin crātēr, mixing bowl, crater; see
crater.]cratertop: Ol Doinyo Lengai, an active volcano in northern Tanzania (background) with a crater (foreground) formed by the collapse of a cone on its flankbottom: Meteor Crater, near Winslow, Arizonacratercra·ter
(krā′tər)n.1.
A bowl-shaped depression created by the activity of a volcano or geyser.2. a.
A bowl-shaped depression in a surface made by an explosion or the impact of a body, such as a meteoroid.b.
A a hollow.3.
Variant of .v.
cra·tered, cra·ter·ing, cra·ters v.tr. To make craters in: "The missiles did not ... crater the airfield" (Tom Clancy).v.intr.1.
To form a crater or craters.2.
To fall and crash violently from a great height.b.
To fail utterly: "talked about how tough times were in Texas since the oil business cratered" (Stephen Coonts).[Latin crātēr, from Greek krātēr, mixing vessel; see
in .]Crater (ˈkreɪtə) n, Latin genitive Crateris (ˈkreɪtərɪs) 1.
(Astronomy) a small faint constellation in the S hemisphere lying between Virgo and Hydracrater (ˈkreɪtə) n1.
(Geological Science) the bowl-shaped opening at the top or side of a volcano or top of a geyser through which lava and gases are emitted2.
(Physical Geography) a similarly shaped depression formed by the impact of a meteorite or exploding bomb3.
(Astronomy) any of the circular or polygonal walled formations covering the surface of the moon and some other planets, formed probably either by volcanic action or by the impact of meteorites. They can have a diameter of up to 240 kilometres (150 miles) and a depth of 8900 metres (29 000 feet)4. a pit in an otherwise smooth surface5.
(Archaeology) a large open bowl with two handles, used for mixing wines, esp in ancient Greecevb6.
(Geological Science) to make or form craters in (a surface, such as the ground)7.
crash[C17: from Latin: mixing bowl, crater, from Greek kratēr, from kerannunai to mix] ˈcratered adj ˈcraterless adj ˈcrater-ˌlike adjcra•ter
(ˈkreɪ tər)
-tered, -ter•ing. n.
the cup-shaped depression or cavity on the surface of the earth or other heavenly body marking the orifice of a volcano.
(on the surface of the earth, moon, etc.) a bowl-shaped depression with a raised rim, formed by the impact of a meteoroid.
the hole in the ground where a bomb, shell, or military mine has exploded.
to make a crater or craters in.
to form a crater or craters.
[;15; & Latin & Greek krātḗr mixing bowl, literally, mixer =krā-, base of kerann?nai to mix + -tēr agentive suffix]
cra′ter•like`, adj.
cra·ter (krā′tər)1.
A bowl-shaped depression at the top of a volcano or at the mouth of a geyser. Volcanic craters can form because of magma explosions, in which a large amount of lava is thrown out from a volcano, leaving a hole, or because the roof of rock over an underground magma pool collapses after the magma has flowed away.2.
A shallow, bowl-shaped hole in a surface, formed by an explosion or by the impact of a body, such as a meteorite.The pit, depression, or cavity formed in the surface of the Earth by an explosion. It may range from saucer shaped to conical, depending largely on the depth of burst. In the case of a deep underground burst, no rupture of the surface may occur. The resulting cavity is termed a "camouflet."craterPast participle: crateredGerund: crateringImperativePresentPreteritePresent ContinuousPresent PerfectPast ContinuousPast PerfectFutureFuture PerfectFuture ContinuousPresent Perfect ContinuousFuture Perfect ContinuousPast Perfect ContinuousConditionalPast ConditionalImperativecratercraterPresentI crateryou craterhe/she/it craterswe crateryou craterthey craterPreteriteI crateredyou crateredhe/she/it crateredwe crateredyou crateredthey crateredPresent ContinuousI am crateringyou are crateringhe/she/it is crateringwe are crateringyou are crateringthey are crateringPresent PerfectI have crateredyou have crateredhe/she/it has crateredwe have crateredyou have crateredthey have crateredPast ContinuousI was crateringyou were crateringhe/she/it was crateringwe were crateringyou were crateringthey were crateringPast PerfectI had crateredyou had crateredhe/she/it had crateredwe had crateredyou had crateredthey had crateredFutureI will crateryou will craterhe/she/it will craterwe will crateryou will craterthey will craterFuture PerfectI will have crateredyou will have crateredhe/she/it will have crateredwe will have crateredyou will have crateredthey will have crateredFuture ContinuousI will be crateringyou will be crateringhe/she/it will be crateringwe will be crateringyou will be crateringthey will be crateringPresent Perfect ContinuousI have been crateringyou have been crateringhe/she/it has been crateringwe have been crateringyou have been crateringthey have been crateringFuture Perfect ContinuousI will have been crateringyou will have been crateringhe/she/it will have been crateringwe will have been crateringyou will have been crateringthey will have been crateringPast Perfect ContinuousI had been crateringyou had been crateringhe/she/it had been crateringwe had been crateringyou had been crateringthey had been crateringConditionalI would crateryou would craterhe/she/it would craterwe would crateryou would craterthey would craterPast ConditionalI would have crateredyou would have crateredhe/she/it would have crateredwe would have crateredyou would have crateredthey would have cratered
Noun1.crater - a bowl-shaped geological formation at the top of a volcano - a large crater caused by the violent explosion of a volcano that collapses into a depression,
- (geology) the geological features of the earth - a flat-bottomed volcanic crater that was fo often filled with water - a mountain formed by volcanic material2.Crater - a faint constellation in the southern hemisphere near Hydra and Corvus3.crater - a bowl-shaped depression formed by the impact of a meteorite or bomb - a crater that has collected cosmic material hitting the earth - a crater on the Earth's Moon,
- a sunken or depressed geological formationcraternoun , , , , , shell hole A huge crater marks the spot where the explosion happened.
crater [ˈkreɪtəʳ] N →
mcrater [ˈkreɪtər] n (= large hole) →
m bomb cratercrater n →
mcrater [ˈkreɪtəʳ] n →
mcrater ('kreit?)
the bowl-shaped mouth of a volcano.
???????? ????????
кратер
der Krater
κρατ?ρα? ηφαιστε?ου
????? ???????
???? ??? ?????
?????????? ?? ???
kawah, kepundan
(eld)gígur
? ??????? ????
кратер
????????????
yanarda? a?z?;
кратер
??? ???? ?????? ?? ??????
mi?ng núi l?a
cràter 2.
a hollow made in the ground by a bomb etc.
??????? ???????
der Bombentrichter
bombekrater
????? ????
?? ??????? ?? ???? ??? ??? ?????
bombat?lcsér
sprengjugígur
(?āvi?a izrauta) bedre
???????????????????????
bomba ?ukuru
вирва
?? ????? ?? ???? ??? ???? ???? ???? ????
obertura cra·ter n. cráter. V.:
Want to thank TFD for its existence? , add a link to this page, or visit .
Link to this page:
At a sudden turning of the corridor, daylight flooded them and Bukawai stepped out into a small, circular basin in the hill, apparently the crater of an ancient volcano, one of those which never reached the dignity of a mountain and are little more than lava-rimmed pits closed to the earth's surface. by
At the high end the skull forms a crater to bed t while under the long floor of this crater -- in another cavity seldom exceeding ten inches in length and as many in depth --reposes the mere handful of this monster's brain. by
The crater itself--the ditch--was not so variegated in coloring, but yet, in its softness, richness, and unpretentious elegance, it was more charming, more fascinating to the eye. by
▲Crater▼
For webmasters:Cosmic Log News - Breaking News & Top Stories - NBC News
NBC News works best with JavaScript turned on
photo credit
Sponsored By
photo credit
Sponsored ByNASA's 21st century Vision for Space Exploration included a return to the moon and beyond, with an eye for safe landing sites, potential resources, and characterizing the environment. A first step in this lunar endeavor was the launch of the Lunar Reconnaissance Orbiter (LRO) and the Lunar Crater Observation and Sensing Satellite (LCROSS) on June 18, 2009.
For its primary mission, LRO orbits the Moon at about 50km (31 mi.) for one year, returning imagery and data used to characterize the environment.
CRaTER on LRO
LRO's science payload of
gathers data useful to further exploration of the moon. Among those instruments
is CRaTER Cosmic Ray Telescope for the Effects of Radiation. CRaTER characterizes the global lunar radiation environment and its biological impacts by measuring galactic and solar cosmic ray radiation behind a &human tissue-equivalent& plastic.
CRaTER investigation goals:
Measure and characterize the deep space radiation environment in terms of LET spectra of galactic and solar cosmic rays (particularly above 10 MeV).
Develop a novel instrument, steeped in flight heritage, that is simple, compact, and comparatively low-cost, but with sufficiently large geometric factor to measure LET spectra and its time variation in the lunar orbit.
Investigate the effects of shielding by measuring LET spectra behind
tissue-equivalent plastic.
Test models of radiation effects and shielding by verifying/validating model predictions of LET spectra with LRO measurements.
Above, an artist's illustration of the Lunar Reconnaissance Orbiter.
(Rollover the illustration to identify CRaTER.)Illustration by Chris Meaney/NASA.Best Space Pictures: Cosmic Dust Bunnies, Hidden Black Holes, and Starry Everest Skies | Nat Geo Space
Best Space Pictures: Cosmic Dust Bunnies, Hidden Black Holes, and Starry Everest Skies
Supermassive black holes cluster together while dust bunnies gain weight.
By Jane J. Lee,
PUBLISHED May 23, 2014
The lights on a motorcycle in China compete with the night sky near Mount Everest.
Photograph by JianFeng Dai, National Geographic Your Shot
A lone motorcycle wends its way to 's base camp from the Chinese side of the border with Nepal in a photograph submitted to
on May 17.
The 2014 Everest climbing season got off to a
on April 18 when an avalanche killed 16 . The disaster
on the Nepali side of the mountain, but expeditions heading out from the Chinese side continued. (See )
Photograph by NASA, JPL-Caltech/University of Zurich
caught the densest cosmic clumps ever recorded in an image posted May 21. The conglomerations of dust and gas throw off incredibly deep shadows, which astronomers are using to study how some of the universe's brightest stars form.
The densest dust bunnies, inside the black smudge in the center of the image above, will likely turn into —the biggest, most powerful stars, with surface temperatures between 53,540 and 107,540&F (30,000 and 60,000 kelvin).
Photograph by NASA, JPL-Caltech/MSSS
A camera on NASA's
spit out more than its weekly weather report when astronomers spotted an impact scar (center spot of the rectangle) in the middle of one of the photographs.
Posted on May 22, researchers scoured archived camera images to see if they could narrow down when the space rock smacked into Mars. They determined that something hit the red planet between March 27 and March 28, 2012. (See )
Photograph by NASA, JPL-Caltech
Birds of a feather flock together: Such is the case with supermassive
obscured by their home galaxies, which tend to cluster together.
An enhanced
May 22 by the Jet Propulsion Laboratory in Pasadena, California, shows the —a collection of galaxies some 60 million light-years away from Earth—drawn together by gravity.
Photograph by NASA, JPL-Caltech/Univ. of Arizona
This large impact crater on Mars—posted May 22—resulted from the impact of an asteroid on the red planet sometime between March 27 and March 28, 2012. The image was taken by cameras on the Mars Reconnaissance Orbiter.
The smaller craters surrounding the giant one in the center signal that the asteroid may have exploded before impact, with the resulting fragments smacking into the planet. Another possibility is that the ejected material from the initial big impact rained back down and dug out the craters
Related Stories
You Might Also Like
Weird & Wild
L.A. Cougar Known for Crossing Freeways Killed by Car
Known as P-32, the big cat was one of several that call the sprawling metropolis home.
Data Points
Visualizing a Wet, Hot (and Also Very Dry) American Summer
Interactive maps of drought and precipitation show that U.S. weather in 2015 is a study in contrasts.
Cuba's 'Peter Pans' Remember Childhood Exodus
A group of Cuban-Americans have mixed feelings on the country they fled as children.