Water

The World Water Council is an international think tank founded in 1996, with its headquarters in Marseille, France.

A fountain (from the Latin "fons" (genitive "fontis"), a source or spring) is a piece of architecture which pours water into a basin or jets it into the air to supply drinking water and/or for a decorative or dramatic effect.

Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids and gases from contaminated water.

Total dissolved solids (TDS) is a measure of the combined content of all inorganic and organic substances contained in a liquid in molecular, ionized or micro-granular (colloidal sol) suspended form.

Fresh water is naturally occurring water on Earth's surface in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams.

Seawater, or salt water, is water from a sea or ocean.

Bridges for conveying water, called aqueducts or water bridges are constructed to convey watercourses across gaps such as valleys or ravines.

Aquaphobia or waterfright is a persistent and abnormal fear of water.

Water resources are sources of water that are useful or potentially useful.

A drop or droplet is a small column of liquid, bounded completely or almost completely by free surfaces.

An ion-exchange resin or ion-exchange polymer is a resin or polymer that acts as a medium for ion exchange.

A seiche (/ˈseɪʃ/ SAYSH) is a standing wave in an enclosed or partially enclosed body of water.

Hydromancy (Ancient Greek ὑδρομαντεία, water-divination, from ὕδωρ, water, and μαντεία, devination ) is a method of divination by means of water, including the color, ebb and flow, or ripples produced by pebbles dropped in a pool.

An aquatic ecosystem is an ecosystem in a body of water.

Tritiated water is a radioactive form of water where the usual hydrogen atoms are replaced with tritium.

Tap water (running water, city water, municipal water, etc.) is water supplied to a tap (valve).

Water efficiency is reducing water wastage by measuring the amount of water required for a particular purpose and the amount of water used or delivered.

Hydrologic Research Center (HRC), founded in 1993, is a public-benefit non-profit research, technology transfer, and science cooperation and education organization, dedicated to the development of effective and sustainable solutions to global water issues.

"Man overboard!" is an exclamation given aboard a vessel to indicate that someone (not necessarily a "man" but historically one of the crewmen "manning" the vessel) has fallen off of the ship into the water and is in need of immediate rescue.

The origin of water on Earth, or the reason that there is clearly more liquid water on Earth than on the other rocky planets of the Solar System, is not completely understood.

Water quality refers to the chemical, physical, biological, and radiological characteristics of water.

A soakage, or soak, is a source of water in Australian deserts.

Electrolysed water (electrolyzed water, EOW, ECA, electrolyzed oxidizing water, electro-activated water or electro-chemically activated water solution) is produced by the electrolysis of ordinary tap water containing dissolved sodium chloride.

Soft water is surface water that contains low concentrations of ions and in particular is low in ions of calcium and magnesium.

Extraterrestrial liquid water (from the Latin words: extra ["outside of, beyond"] and terrestris ["of or belonging to Earth"]) is water in its liquid state that is found beyond Earth.

Heavy water (deuterium oxide, 2H2O) is a form of water that contains a larger than normal amount of the hydrogen isotope deuterium (2H or D, also known as heavy hydrogen), rather than the common hydrogen-1 isotope (1H or H, also called protium) that makes up most of the hydrogen in normal water.

Groundwater (or ground water) is the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations.

Aerated water is, correctly speaking, water to which air is added.

The Industrial and Mining Water Research Unit (abbreviated IMWaRU) is one of several research entities based in the School of Chemical and Metallurgical Engineering at the University of the Witwatersrand, Johannesburg.

The Romans constructed numerous aqueducts in order to bring water from often distant sources into cities and towns, supplying public baths, latrines, fountains and private households.

TOMA (Turkish: Toplumsal Olaylara Müdahale Aracı, English: Intervention Vehicle to Social Incidents), is an armored water cannon designed for riot control, from a Turkish company, Nurol Makina.

Water use can mean the amount of water used by a household or a country, or the amount used for a given task or for the production of a given quantity of some product or crop, or the amount allocated for a particular purpose.

Hard water is water that has high mineral content (in contrast with "soft water").

Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture), rock, ceramics, fruit, or wood.

Malvern water is a natural spring water from the Malvern Hills on the border of the counties of Herefordshire and Worcestershire in England.

De aquaeductu (English: On aqueducts) is a two-book official report given to the emperor Nerva or Trajan on the state of the aqueducts of Rome, and was written by Julius Sextus Frontinus at the end of the 1st century AD.

Delta Blues (subtitled: In a Land of Cotton) is a documentary film shot in 2000.

The International WaterCentre (IWC) is an Australian organisation that works in Research, Education and Expert Services in Integrated Water Management.