1 a pipe or channel that carries off water, sewage, etc. 2 an instance or cause of continuous diminution in resources or energy; depletion.

What is drain in biology?

1. To draw off fluid from a cavity as it forms. 2. A device, usually in the shape of a tube or wick, for removing fluid as it collects in a cavity, especially a wound cavity.

What are the different types of drains?

Understanding the Types of Drainage Systems
Surface Drainage System. Surface drainage systems remove excess water from the land’s surface through channels or ditches. Subsurface Drainage System. Subsurface drainage systems are implemented beneath the top layer of soil. Slope Drainage System. Downspouts and Gutter Systems.

What is meaning of drain in geography?

Physical Geography. an artificial watercourse, as a ditch or trench. a natural watercourse modified to increase its flow of water.

What is drain theory?

The theory proposed that poverty in India was caused by the colonial rule that was draining the wealth and prosperity of India. D. The theory proposed that the amount of potable water is decreasing in India because of exploitation by the British.

Is drainage a basin?

A drainage basin is an area of land where water from rain or snow melt drains downhill into a body of water such as a river, lake, wetland or ocean. The drainage basin includes both the streams and rivers that convey the water as well as the land surface from which water drains into those channels.

What is a drain medical term?

Listen to pronunciation. (drayn) In medicine, to remove fluid as it collects; or, a tube or wick-like device used to remove fluid from a body cavity, wound, or infected area.

Where is drain?

Drain is a city in Douglas County, Oregon, United States.

What is drain and function?

A drain is the primary vessel or conduit for unwanted water or waste liquids to be flumed away, either to a more useful area, funnelled into a receptacle, or run into sewers or stormwater mains as waste discharge to be released or processed.

What is drainage pipe?

A drainage pipe is any pipe used to facilitate the transfer of water from one place to another. The main purpose is to dispose of wastewater from homes, office buildings, or industrial areas.

What is drainage in human body?

The lymphatic system collects excess fluid that drains from cells and tissue throughout the body and returns it to the bloodstream, which is then recirculated through the body. Spleen: This largest lymphatic organ is located on your left side under your ribs and above your stomach.

What is drainage soil?

Soil drainage is a natural process by which water moves across, through, and out of the soil as a result of the force of gravity. From: Encyclopedia of Soils in the Environment, 2005.

What is a brain drain called?

Brain drain, also known as a human capital flight, can occur on several levels. Geographic brain drain happens when talented professionals flee one country or region within a country in favor of another.