siphon spring

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• siphon —    1. Synonym for a sump, or a section of flooded cave passage, in common parlance. True siphons, where water flows first up and then down are rare in caves, as the fractures in limestone tend to disrupt the required hydraulics. They are, however …   Lexicon of Cave and Karst Terminology

• spring, intermittent —    1. A karst spring with a pulsating flow, caused by the presence within the rock of cavities and siphons fed by a subterranean watercourse. When the cavity is full, the siphon is complete and causes a pulse of water to issue from the spring.… …   Lexicon of Cave and Karst Terminology

• spring, vauclusian —    ; rising, vauclusian    1. A type of rising or spring where direct drainage from the phreas flows up a flooded cave passage under pressure to emerge in daylight. The term is best applied where water rises from a vertical or very steep bedrock… …   Lexicon of Cave and Karst Terminology

• Intermittent spring — An intermittent spring is a cold water fluctuating spring, the largest of only three known in the world. Intermittent Spring is located in Swift creek canyon in Star Valley, Wyoming.Early native Americans and pioneer settlers that frequently… …   Wikipedia

• Flush toilet — A flush toilet or Water Closet (WC) is a toilet that disposes of human waste by using water to flush it through a drainpipe to another location. Flushing mechanisms are found more often on western toilets (used in the sitting position), but many… …   Wikipedia

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• animal learning — ▪ zoology Introduction       the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn.       That animals can learn seems to go without saying. The cat that… …   Universalium