What's the difference between crater and pit?

Crater


Definition:

  • (n.) The basinlike opening or mouth of a volcano, through which the chief eruption comes; similarly, the mouth of a geyser, about which a cone of silica is often built up.
  • (n.) The pit left by the explosion of a mine.
  • (n.) A constellation of the southen hemisphere; -- called also the Cup.

Example Sentences:

  • (1) "Acoustic" craters were produced by two laser pulses delivered into a saline-filled metal fiber cap, which was placed in a mechanically drilled crater.
  • (2) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
  • (3) If overloaded, these areas are subject to "cervical cratering," a common prelude to implant failure.
  • (4) It's brown, crusty and cratered, like somewhere Hubble may have sent back a photo of.
  • (5) The country’s other attractions include a burning pit at “the door to hell” in the Darvaza crater, and rarely seen stretches of the silk road, the region’s ancient trade route.
  • (6) The only reminder of what happened is a small, blackened, crater near the northern part of town, where a rocket laced with a nerve agent fell, killing more than 70 people in one of the worst mass casualty chemical attacks in the six-year war in Syria .
  • (7) Following one or more hours of ischaemia crater-like depressions and blebs appeared on the luminal surfaces of ventricular endothelial cells, with margination and clumping of nuclear chromatin, loss of glycogen granules, swelling of mitochondria, and the development of subendothelial membrane-bound dilatations of myocytes.
  • (8) Invagination-like craters were observed in the plasmalemma.
  • (9) Histology for the 213-nm ablation showed a clean ablation crater with minimal collagen lamellae disruption and a damage zone less than 1 micron.
  • (10) Irradiation directly on the left endocardial and epicardial walls lasted for 10 seconds and was repeated 3 times, creating 3 craters.
  • (11) Efficacy parameters included daytime and nocturnal symptom relief and duodenal ulcer healing, documented by endoscopy, and defined as complete reepithelization of the ulcer crater.
  • (12) Patients in groups I (45 patients) y II (28 patients), were submitted to a vaporization crater of the whole transformation zone because of having the cervical canal free of lesion.
  • (13) Fibrin and exposed collagen fibers were seen at the crater base.
  • (14) When the RF probe approached perpendicularly to the cadaver arterial wall, a crater with charring and coagulating necrosis was formed.
  • (15) Residents of Aden’s central Crater district told Reuters that Houthi fighters and their allies were in control of the area by midday on Thursday, deploying tanks and foot patrols through its otherwise empty streets after heavy fighting in the morning.
  • (16) A rough surface of epitheliocytes has deep craters and irregular protrusions, microvilli, cilia and spherical bodies.
  • (17) the esophageal lesion revealed a variety of macroscopic manifestations including giant rugae, submucosal nodules, multiple erosions, and craters.
  • (18) Those differences can be summarized as follows: (1) the occurrence of pronounced, highly curved hackle marks, which could in many instances be mistaken for conchoidal marks;(2)the appearance of the beveled edges bordering the cratering on the side opposite origin of force; and (3) a more apparent tendency toward an inverse relationship of muzzle velocity and energy to radial fracture length and degree of curving along crater boundaries.
  • (19) None of these suggest a bumper year for the high street, since the jobless total is going up, house prices are going down, consumer confidence has cratered and real disposable income in 2011 saw its biggest fall since 1977.
  • (20) Photoablation was continued until aqueous appeared percolating through the juxtacanalicular tissue at the bottom of the crater; a water-tight closure of conjunctiva was then performed.

Pit


Definition:

  • (n.) A large cavity or hole in the ground, either natural or artificial; a cavity in the surface of a body; an indentation
  • (n.) The shaft of a coal mine; a coal pit.
  • (n.) A large hole in the ground from which material is dug or quarried; as, a stone pit; a gravel pit; or in which material is made by burning; as, a lime pit; a charcoal pit.
  • (n.) A vat sunk in the ground; as, a tan pit.
  • (n.) Any abyss; especially, the grave, or hades.
  • (n.) A covered deep hole for entrapping wild beasts; a pitfall; hence, a trap; a snare. Also used figuratively.
  • (n.) A depression or hollow in the surface of the human body
  • (n.) The hollow place under the shoulder or arm; the axilla, or armpit.
  • (n.) See Pit of the stomach (below).
  • (n.) The indentation or mark left by a pustule, as in smallpox.
  • (n.) Formerly, that part of a theater, on the floor of the house, below the level of the stage and behind the orchestra; now, in England, commonly the part behind the stalls; in the United States, the parquet; also, the occupants of such a part of a theater.
  • (n.) An inclosed area into which gamecocks, dogs, and other animals are brought to fight, or where dogs are trained to kill rats.
  • (n.) The endocarp of a drupe, and its contained seed or seeds; a stone; as, a peach pit; a cherry pit, etc.
  • (n.) A depression or thin spot in the wall of a duct.
  • (v. t.) To place or put into a pit or hole.
  • (v. t.) To mark with little hollows, as by various pustules; as, a face pitted by smallpox.
  • (v. t.) To introduce as an antagonist; to set forward for or in a contest; as, to pit one dog against another.

Example Sentences:

  • (1) When compared with nonspecialized regions of the cell membranes, these contact sites were characterized by a decreased intercellular distance, subplasmalemmal densities and coated pits.
  • (2) Interaction of viable macrophages with cationic particles at 37 degrees C resulted in their "internalization" within vesicles and coated pits and a closer apposition between many segments of plasmalemma than with neutral or anionic substances.
  • (3) Both types of oral cleft, cleft palate (CP) and cleft lip with or without CP (CLP), segregate in these families together with lower lip pits or fistulae in an autosomal dominant mode with high penetrance estimated to be K = .89 and .99 by different methods.
  • (4) The potential use of ancrod, a purified isolate from the venom of the Malaysian pit viper, Agkistrodon rhodostoma, in decreasing the frequency of cyclic flow variations in severely stenosed canine coronary arteries and causing thrombolysis of an acute coronary thrombus induced by a copper coil was evaluated.
  • (5) On land, the pits' stagnant pools of water become breeding grounds for dengue fever and malaria.
  • (6) Demonstration of low levels of Pit-1 expression in Ames dwarf (df) mice implies that both Pit-1 and df expression may be required for pituitary differentiation.
  • (7) At 4 degrees C or after fixation, anti-renal tubular brush border vesicle (BBV) IgG bound diffusely to the surface of GEC and to coated pits.
  • (8) A cell with a large Golgi apparatus and associated cytoplasmic granules resembles the pit cell described in the liver of a few other vertebrates.
  • (9) Pitting corrosion was seen on low-resistant Ni-Cr alloys, which had less Cr content.
  • (10) This brings lads like 12-year-old Matthew Mason down from the magnificent studio his father Mark, from a coal-mining town ravaged by pit closures, lovingly built him in the back garden at Gants Hill, north-east London.
  • (11) Stonehenge stood at the heart of a sprawling landscape of chapels, burial mounds, massive pits and ritual shrines, according to an unprecedented survey of the ancient grounds.
  • (12) Freeze fracture analysis confirmed the integrity of the tight junctions as well as increased numbers of vesicles or pits along the lateral cell membrane, indicating increased endocytotic activity.
  • (13) Likewise, the cost of emptying these pits can be high.
  • (14) Bifid uvula, preauricular pits, and abnormal palmar creases were also slightly more common in the patients, but the differences were not statistically significant.
  • (15) Hypertrophic fibrous astrocytes were common in chronic active lesions, were capable of myelin degradation and on occasion, contained myelin debris attached to clathrin-coated pits.
  • (16) A mother and daughter both presented at age 5 years with the triad of right-sided congenital cholesteatoma, right preauricular pits, and bilateral sensorineural hearing loss.
  • (17) In addition, the perfusion method in this experiment suggested the possibility of distinguishing pinocytotic vesicles from pits of cell membranes.
  • (18) Performance pay pitting teachers against each other just does not work - we are not in favour of that,” Merlino said.
  • (19) Both larval stages had an inner circle of 6 labial papillae, an outer circle of 6 labial papillae and 4 somatic papillae, and lateral amphidial pits.
  • (20) The country’s other attractions include a burning pit at “the door to hell” in the Darvaza crater, and rarely seen stretches of the silk road, the region’s ancient trade route.