The difference between River basin and Watershed
When used as nouns, river basin means an extent of land where water from rain or snow melt drains downhill into a river or series of rivers, whereas watershed means the topographical boundary dividing two adjacent catchment basins, such as a ridge or a crest.
check bellow for the other definitions of River basin and Watershed
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River basin as a noun (geography):
An extent of land where water from rain or snow melt drains downhill into a river or series of rivers.
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Watershed as a noun (hydrology):
The topographical boundary dividing two adjacent catchment basins, such as a ridge or a crest.
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Watershed as a noun (US):
A region of land within which water flows down into a specified body, such as a river, lake, sea, or ocean; a drainage basin.
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Watershed as a noun:
A critical point marking a change in course or development.
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Watershed as a noun (Canada, British):
The time after which material of more adult nature (violence, swear words, sex) may be broadcast on television or radio, either one laid down or one contrived (e.g. when children are not watching)