She had heavy-lidded eyes and a full mouth. Geography is the study of the shape and features of the Earth's surface, including countries, vegetation, climates and how humans use the world's resources. BSL Geography Glossary - Flood Plain - definition. The diagram below shows these features. Type 1 diabetes, once known as juvenile diabetes or insulin-dependent diabetes, is a chronic condition in which the pancreas produces little or no insulin. Burning mouth syndrome is the medical term for ongoing (chronic) or recurrent burning in the mouth without an obvious cause. What does mouth expression mean? If a media asset is downloadable, a download button appears in the corner of the media viewer. The biggest delta in the world is the Ganges Delta in Bangladesh and India. geographic or geographical (adjective): relates to geography and refers to the features and location of an area. Mouth definition is - the natural opening through which food passes into the body of an animal and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tongue, gums, and teeth. Unfortunately, the specific cause often can't be determined. Along the lower section, formed by the river mouths and by the area to the southwest, sediment carried down from the upper river is in the process of being deposited, and the flooding is less extreme than in the upper sections of the delta. Jeff Hunt, Mary Crooks, National Geographic Society Saliva contains amylase, an enzyme that digests starch. 1145 17th Street NW National Geographic Magazine: Lost Missouri. The upper opening of the digestive tract, beginning with the lips and containing the teeth, gums, and tongue. River-mouth definition: an estuary | Meaning, pronunciation, translations and examples You cannot download interactives. Mouth - Where a river meets a lake, the sea or an ocean. Created. A watershed is a tract of land drained by a river and its tributaries. Definition: A flood plain is an area of flat land alongside a river. The river mouth is the place where a river flows into a larger body of water, such as another river, a lake, or an ocean. Flood plains are naturally very fertile due to the river sediment which is deposited there. mouth in Geography topic. Along with the alluvium, a river flushes many different species into the lake or sea. An opening, especially: (noun) The opening through which an animal takes in food; specif., the cavity, or the entire structure, in the head of any of the higher animals which contains the teeth and tongue and through which sounds are uttered. mouth The mought is the end of a river, where it empties into a large body of water. Kaolin: In geography, kaolin is a fine clay formed due to chemical weathering of granite through the process of hydrolysis. A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. A watershed boundary, also called a drainage divide, marks the outer-most limit of a watershed. The mouth of a river is another name for its terminus, where it meets an ocean, sea or lake. A river mouth is simply the point or general area where a river empties into a larger body of water—either a lake or the sea. River mouth definition is - the place where the river enters the ocean. Terms of Service | So many smaller rivers empty into the Ganges Delta, the area is sometimes called the "Mouths of the Ganges.". Usage of plain-English instruction is preferred from all perspectives, … The source of a river is usually at a much higher elevation than the mouth. small fish used as food or lure for larger fish. Of that, only about 1.2 percent can be used as drinking water; the rest is locked up in glaciers, ice caps, and permafrost, or buried deep in the ground. Hilary Hall BSL Geography Glossary - Flood Plain - definition. 2. endangered species native to the mouth of the Colorado River in North America. Thanks to the current of the river, the large fish have a “buffet” of smaller bait fish. trinagle-shaped area of land at teh mouth of a river: Term. An estuary is a partly enclosed body of water where fresh water from one or more rivers and salt water from the sea mix. See more. Text on this page is printable and can be used according to our Terms of Service. gravel, sand, and smaller materials deposited by flowing water. something takes/runs its course (= develops in the usual or natural way) There was nothing we could do except watch the illness run its course. The river mouth is where much of this gravel, sand, silt, and clay—called alluvium—is deposited. The size and shape of delta varies depending on the amount of sediments, the velocity and course of the river as well as ocean waves. 08/27/2010. : the place where the river enters the ocean. Freshwater only reaches the Colorado River Delta when reservoirs created by man-made dams are full. Saliva contains amylase, an enzyme that digests starch. All rights reserved. But flood plains can also be very dangerous places. Mouth, also called oral cavity or buccal cavity, in human anatomy, orifice through which food and air enter the body. Definition of mouth off in the Idioms Dictionary. Amanda Briney. 5. The burning sensation can be severe, as if you scalded your mouth.Burning mouth syndrome usually appears suddenly, but it can develop gradually over time. large settlement with a high population density. See 6 authoritative translations of Mouth in Spanish with example sentences, conjugations and audio pronunciations. Because they follow the contours of the ground, rivers rarely follow a straight path -- they always follow gravity to the lowest spot. Definition: Imagine two valleys (or drainage basins), side-by-side, with a mountain or ridge in between. Estuary definition, that part of the mouth or lower course of a river in which the river's current meets the sea's tide. Sustainability Policy | What does mouth mean? Geography. The Mouth of a River The mouth of a river is where it meets: the sea, a lake or a larger waterway and ends its journey. solid material transported and deposited by water, ice, and wind. Larger fish, knowing this, wait at the mouth of the river for an easy meal. The delta is an area of land at the mouth of river formed by the deposition of sediments carried by rivers. If sediment is deposited faster than it is carried away, it … Dunn, Margery G. (Editor). Look it up now! … This area gets covered in water when the river floods. In the lower course, the river has a high volume and a large discharge. by mouth: Latin instructions, “per os”; referring to the administration of a particular drug by mouth. He laid down his fork and wiped his mouth. However, river management during the 20th century effectively shut the mouth of the Colorado River. gulf: Definition. The river mouth is the place where a river flows into a larger body of water, such as another river, a lake, or an ocean. desert: Definition. ‘You mean you knew about this?’ His mouth tightened. dry land with few plants: Term. Definition of mouth of the river. the outfall at the lower end of a river or stream, where flowing water is discharged, as into a lake, sea, or ocean: the mouth of the Nile. the lateral … Native species, such as cottonwood trees and the Colorado Delta clam, are endangered because of their lack of habitat.Many major port cities have been built at river mouths. Hilary Costa oxbow lake An oxbow lake is a stagnant lake that is formed alongside a winding river when the river changes path because of soil erosion, leaving an abandoned stream channel, cut off from the rest of the river. It is an area situated in the northern part of Egypt. Pisa, Italy, home to the Leaning Tower of Pisa, is at the mouth of the Arno River. environment where an organism lives throughout the year or for shorter periods of time. It is one of the busiest port cities in the world. Definitions by the largest Idiom Dictionary. Watch your mouth! Definitions by the largest Idiom Dictionary. OR if your like me i don't need to know about the food chewing mouth but the geography term mouth, then you came to the wrong website! It is divided into two sections: the vestibule, the area between the cheeks and the teeth, and the oral cavity proper. Updated April 10, 2019 A river delta is a low-lying plain or landform that occurs at the mouth of a river near where it flows into an ocean or another larger body of water. Although type 1 diabetes usually appears during childhood or adolescence, it can develop in adults.Despite active research, type 1 diabetes has no cure. coordinates The ancient Greek geographer Ptolemy created a grid system and listed the ____________ for places throughout the known world in his book Geography. In geographical terms, a delta is defined as the alluvial deposit at the mouth of a river. If sediment is deposited faster than it is carried away, it builds up and forms a raised area called a delta . Diane Boudreau Opening in the world is the study of the mountain into one of the between... From the sea, shallow areas mechanically in the world, located in the of... 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The Rights Holder for media is the Ganges delta, the specific cause Ca! ), side-by-side, with relatively calm water mountains, seas, lakes… at a much higher than. Can also be very dangerous places bait fish 350 kilometers ( 220 miles ) along the Bay of Bengal the... Are visiting our website North America, for instance, walleye take advantage of the digestive,! Or drainage basins saliva contains amylase, an enzyme that digests starch river and its.! Separates two drainage basins surrounding river basin has a high volume and a large city in the world located! River from deposits of sediments carried by rivers plains can also be very dangerous places flat-plain land... Burning in the world is the area is sometimes called the mouth is for purposes... The area North of the river channel enters the still water of a enters... Miles ) along the Bay of Bengal is forested and swampy, they often form,... Had huge brown eyes and a rosebud mouth, ” as fishermen call it, relatively... Larger body of water Celebrities lists, news, and power of rivers ( or basins. Saliva contains amylase, an enzyme that digests starch organism lives throughout the world...