Water definition

What is the meaning of water? Chemical formula: H O. English dictionary definition of water. A clear, colorless, odorless, and tasteless liqui H2O, essential for most plant and animal life and the most widely used of all solvents.

Oxford Dictionaries as A colourless, transparent, odourless liquid that forms the seas, lakes, rivers, and rain and is the basis of the flui.

It falls from clouds as rain and enters rivers and seas. All animals and people need water in order to live. It is one of the most plentiful and essential of compounds.

It is vital for all known forms of life, even though it provides no calories or organic nutrients. The name water typically refers to the liquid state of the compound. The solid phase is known as ice and gas phase is called steam.

Under certain conditions, water also forms a supercritical fluid. Ninety-seven percent of the earth’s water is in oceans and seas whi.

Just over half the total body water is within the cells and the remainder is outside, partly in the bloo but mainly in the tissue spaces surrounding the cells. The liquid which forms rain, rivers, and the sea and makes up a large part of the bodies of most organisms, including humans. A tasteless odorless colorless liquid with the chemical formula H2O. The amniotic flui as in the bag of waters. Biomolecules (DNA, proteins, polysaccharides, etc.) are dissolved in water.

It is also one of the requirements for photosynthesis. Wet definition is - consisting of, containing, covered with, or soaked with liquid (such as water ). How to use wet in a sentence. Synonym Discussion of wet.

Deuterium differs from the hydrogen usually found in water , protium, in that each atom of deuterium contains a proton and a neutron. This is opposed to an aci which is any substance with more hydrogen ions than water. The further the pH is from the more of an acid or alkaline the substance is, depending on which way you're going.

Pure water , also known as purified water , is water from a source that has removed all impurities. Distilled water is the most common form of pure water. Pure water can be purified by carbon filtration, micro-porous filtration and ultraviolet oxidation. Some places use a combination of purification processes.

When specific dissolved minerals are at a high concentration, the water is deemed to be hard.

Water is widespread in nature. The minerals that primarily contribute to hardness are calcium and magnesium carbonate. The principal source of water vapour is the oceans, but evaporation also occurs in soils, snow, and ice. Evaporation from snow and ice, the direct conversion from solid to vapour, is known as sublimation.

Transpiration is the evaporation of water through minute pores, or stomata, in the leaves of plants. In general, a datum is a base elevation used as a reference from which to reckon heights or depths. A tidal datum is a standard elevation defined by a certain phase of the tide.