Gray-urn
noun
1.
a smooth, urn-shaped edible mushroom, Urnula craterium, commonly found in North America on fallen hardwood.
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- Graywacke
[grey-wak, -wak-uh] /ˈgreɪˌwæk, -ˌwæk ə/ noun 1. Geology. a dark-gray coarse-grained wacke. graywacke (grā’wāk’, -wāk’ə) Any of various dark gray, coarse-grained sandstones that contain abundant feldspar and rock fragments and often have a clay-rich matrix. Graywackes are thought to originate in environments where erosion, transportation, and deposition happen so quickly that minerals and rock fragments […]
- Graywater
noun See gray water graywater (grā’wô’tər) Wastewater from baths, bathroom sinks, and washing machines that does not contain body or food wastes. Graywater can be recycled especially for use in gardening or for flushing toilets. Compare blackwater.
- Gray-water
noun 1. dirty water from sinks, showers, bathtubs, washing machines, and the like, that can be recycled, as for use in flushing toilets. noun waste water from bathroom, kitchen, and laundry activities, esp. as it may be recycled for toilet and outside water uses; also written graywater
- Graywether
[grey-weth-er] /ˈgreɪˌwɛð ər/ noun 1. .
- Gray-whale
noun 1. a grayish-black whalebone whale, Eschrichtius robustus, of the North Pacific, growing to a length of 50 feet (15.2 meters): now rare.