Water - definition from Biology-Online.org

[1. To wet or supply with water; to moisten; to overflow with water; to irrigate; as, to water land; to water flowers. With tears watering the ground. (milton) Men whose lives gilded on like rivers that water the woodlands. (Longfellow) 2. To supply with water for drink; to cause or allow to drink; as, to water cattle and horses. 3. To wet and calender, as cloth, so as to impart to it a lustrous appearance in wavy lines; to diversify with wavelike lines; as, to water silk. cf. water. 4. To add water to (anything), thereby extending the quantity or bulk while reducing the strength or quality; to extend; to dilute; to weaken. To water stock, to increase the capital stock of a company by issuing new stock, thus diminishing the value of the individual shares. cf. water. Origin: AS. Waeterian, gewaeterian. 1. The fluid which descends from the clouds in rain, and which forms rivers, lakes, seas, etc. We will drink water. .Powers of fire, air, water, and earth. . pure water consists of hydrogen and oxygen, h2o, and is a colourless, odorless, tasteless, transparent liquid, which is very slightly compressible. at its maximum density, 39 deg Fahr. Or 4 deg c, it is the standard for

MediLexicon water - Medical Dictionary Definition for Term 'water'

[1. a clear, odorless, tasteless liquid, solidifying at 0°C (32°F) and boiling at 100°C (212°F), present in all animal and vegetable tissues and dissolves more substances than any other liquid.2. Euphemism for urine.3. A pharmacopeial preparation of a clear, saturated, aqueous solution (unless otherwise specified) of volatile oils, or other aromatic or volatile substances, prepared by processes involving distillation or solution (agitation followed by filtration).

Molecular Formula: H2O

InChI: InChI=1/H2O/h1H2


CAS number 7732-18-5

    dihydrogen oxide

    PubChem CID 962
    Beilstein =3587155
    CAS 7732-18-5 (from NIST)
    ChEBI 15377
    chemPDB HOH
    Gmelin 117
    Kegg C00001
    MolBase 1
    PubChem ID 10322299
    PubChem ID 3303