| water soldier | <botany> An aquatic European plant (Stratiotes aloides) with bayonet-shaped leaves. Source: Websters Dictionary (01 Mar 1998) |
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| water-soluble chlorophyll derivatives | The copper complex of sodium and/or potassium salts of saponified chlorophyll, used topically for deodorization of chronic lesions and to promote wound repair. (05 Mar 2000) |
| water sore | Cutaneous larva migrans caused by larvae of hookworms. Synonym: ancylostoma dermatitis, ancylostomiasis cutis, coolie itch, dew itch, ground itch, swamp itch, swimmer's itch, toe itch, water itch, water sore. (05 Mar 2000) |
| water souchy | A dish consisting of small fish stewed and served in a little water. Alternative forms: water souchet] See Zoutch. Source: Websters Dictionary (01 Mar 1998) |
| water sparrow | <zoology> The reed warbler. The reed bunting. Source: Websters Dictionary (01 Mar 1998) |
| water speedwell | <botany> A kind of speedwell (Veronica Anagallis) found in wet places in Europe and America. Source: Websters Dictionary (01 Mar 1998) |
| water spider | <zoology> An aquatic European spider (Argyoneta aquatica) which constructs its web beneath the surface of the water on water plants. It lives in a bell-shaped structure of silk, open beneath like a diving bell, and filled with air which the spider carries down in the form of small bubbles attached one at a time to the spinnerets and hind feet. Synonym: diving spider. A water mite. Any spider that habitually lives on or about the water, especially the large American species (Dolomedes lanceolatus) which runs rapidly on the surface of water. Synonym: raft spider. Source: Websters Dictionary (01 Mar 1998) |
| water spinner | <zoology> The water spider. Source: Websters Dictionary (01 Mar 1998) |
| water star grass | <botany> An aquatic plant (Schollera graminea) with grassy leaves, and yellow star-shaped blossoms. Source: Websters Dictionary (01 Mar 1998) |
| water supply | Source, means, or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (webster, 3d ed) (12 Dec 1998) |
| water table | <ecology> The zone of saturation at the highest average depth during the wettest season, it is at least six inches thick and persists in the soil for more than a few weeks. (09 Oct 1997) |
| water thermometer | <physics> A thermometer filled with water instead of mercury, for ascertaining the precise temperature at which water attains its maximum density. This is about 39 deg Fahr, or 4 deg Centigrade; and from that point down to 32 deg Fahr, or 0 deg Centigrade, or the freezing point, it expands. Source: Websters Dictionary (01 Mar 1998) |
| water thrush | <zoology> A North American bird of the genus Seiurus, belonging to the Warbler family, especially the common species (S. Noveboracensis). The European water ousel. The pied wagtail. Source: Websters Dictionary (01 Mar 1998) |
| water thyme | <botany> See Anacharis. Source: Websters Dictionary (01 Mar 1998) |
| water tiger | <zoology> A diving, or water, beetle, especially the larva of a water beetle. Source: Websters Dictionary (01 Mar 1998) |