Water-sapphire
noun
1.
a transparent variety of cordierite, found in Sri Lanka, Madagascar, and elsewhere, sometimes used as a gem.
water sapphire
noun
1.
a deep blue variety of the mineral cordierite that occurs in Sri Lanka: used as a gemstone
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noun 1. a person, device, or practice that reduces water consumption, as during a drought.
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- Waterscorpion
[waw-ter-skawr-pee-uh n, wot-er-] /ˈwɔ tərˌskɔr pi ən, ˈwɒt ər-/ noun 1. any of several predaceous aquatic bugs of the family Nepidae, having clasping front legs and a long respiratory tube at the rear of the abdomen: capable of biting if handled.
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noun 1. a small amount of water contained in the trap of a drain to prevent the passage of foul smells
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noun 1. water clover. water clover noun 1. a common freshwater fern, Marsilea quadrifolia, of lake edges and quiet ponds, having roots embedded in the bottom, very slender and often tangled stems, and floating, cloverlike leaves composed of four leaflets.