drain basin

[/dreɪn ˈbeɪsən/]
nounpl: drain basins
bacia de drenagem
1. A geographic area or region where all water drains to a common outlet, such as a river, lake, or ocean; a watershed
The Amazon drain basin is the largest in the world by water volume.
A bacia de drenagem do Amazonas é a maior do mundo em volume de água.
2. An area of land where surface water and groundwater flow toward a single point or outlet
The Mississippi River drain basin covers much of central North America.
A bacia de drenagem do rio Mississipi cobre grande parte do centro da América do Norte.
3. In urban or civil engineering, a constructed depression or area designed to collect and remove excess water or stormwater
The parking lot includes a drain basin to prevent flooding during heavy rains.
O estacionamento inclui uma bacia de drenagem para evitar alagamentos durante chuvas intensas.
In Brazil, the concept of 'bacia hidrográfica' is particularly important due to the country's vast river systems, including the Amazon and São Francisco rivers. Understanding drain basins is crucial for Brazilian environmental policy, water management, and hydroelectric power planning. The term is frequently used in environmental education and conservation discussions.
Synonyms / Sinônimos
watersheddrainage basincatchment basincatchment areariver basin

Regional Variations

General Brazilian
bacia de drenagem
Most common term in Brazilian geography and environmental contexts
General Brazilian
bacia hidrográfica
Alternative term widely used in Brazilian Portuguese, particularly in hydrology and urban planning
Portugal
bacia de drenagem
Standard term used in Portuguese geography
Portugal
bacia hidrográfica
Common alternative in Portuguese environmental and geographical discourse

Related Words

watershedrunofftributariesconfluencehydrologytopographyfloodplain

Related Idioms & Phrases

water flows downhill
all roads lead to Rome (in the context of water converging)
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