| water newt | <zoology> Any one of numerous species of aquatic salamanders; a triton. Source: Websters Dictionary (01 Mar 1998) |
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| water nymph | 1. A goddess of any stream or other body of water, whether one of the Naiads, Nereids, or Oceanides. 2. <botany> A water lily (Nymphaea). Source: Websters Dictionary (01 Mar 1998) |
| water of adhesion | Water held by molecular attraction in contact with solid surfaces, but not forming an essential part of their constitution. (05 Mar 2000) |
| water of combustion | The water formed in the body by oxidation of the hydrogen of the food, the greatest amount being produced in the metabolism of fat (about 117 g/100 g of fat). Synonym: water of combustion. (05 Mar 2000) |
| water of constitution | Water held by a unit of structure as an essential part of its constitution, though not an ingredient of its molecules. See: water of crystallization. (05 Mar 2000) |
| water of crystallization | Water of constitution that unites with certain salts and is essential to their arrangement in crystalline form; e.g., CuSO4-5H2O. (05 Mar 2000) |
| water of metabolism | The water formed in the body by oxidation of the hydrogen of the food, the greatest amount being produced in the metabolism of fat (about 117 g/100 g of fat). Synonym: water of combustion. (05 Mar 2000) |
| water opossum | <zoology> See Yapock, and the Note under Opossum. Source: Websters Dictionary (01 Mar 1998) |
| water ouzel | <ornithology> Any one of several species of small insessorial birds of the genus Cinclus (or Hydrobates), especially the European water ousel (C. Aquaticus), and the American water ousel (C. Mexicanus). These birds live about the water, and are in the habit of walking on the bottom of streams beneath the water in search of food. Source: Websters Dictionary (01 Mar 1998) |
| water parsnip | <botany> Any plant of the aquatic umbelliferous genus Sium, poisonous herbs with pinnate or dissected leaves and small white flowers. Source: Websters Dictionary (01 Mar 1998) |
| water partridge | <zoology> The ruddy duck. Source: Websters Dictionary (01 Mar 1998) |
| water pennywort | <botany> Marsh pennywort. See Marsh. Source: Websters Dictionary (01 Mar 1998) |
| water pepper | <botany> Smartweed. Synonym: waterwort. Source: Websters Dictionary (01 Mar 1998) |
| water pheasant | <zoology> The pintail. See Pintail. The goosander. The hooded merganser. Source: Websters Dictionary (01 Mar 1998) |
| water piet | <zoology> The water ousel. Source: Websters Dictionary (01 Mar 1998) |