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emitter

emitter  n.— «Feeder tubes. Often called “emitters” or “drip tape” because it’s sold flattened on a roll, these tubes are made from black polyethylene plastic, with holes spaced at regular intervals to dispense water at a relatively...

sheetrockero

sheetrockero  n.— «It may be necessary to use spanglish if that is what workers use (e.g., sheetrockero, for a person who works with sheetrock).» —by Committee on Earth Resources National Research Council of the National...

spaghetti bowl

spaghetti bowl  n.— «The intersection of religion and state has become increasingly hectic and hazardous, a spaghetti-bowl junction of conflict and uneasy collaboration on the twisting, global highway.» —“Religion Is Again An Earth...

ground truth

ground truth  n.— «Weather spotters provide what’s called “ground truth” to the National Weather Service and emergency weather management. “We’re needed because cloud-piercing Doppler radar is very good at helping the...

pluton

pluton  n.— «If the ideas are approved at the general meeting of the IAU in Prague next week, schoolchildren will, in future, have to learn that the solar system has 12 planets: eight classical ones that dominate the system—Mercury, Venus...

mascon

mascon  n.— «The scientists used gravity fluctuations measured by NASA’s GRACE satellites to peer beneath Antarctica’s icy surface, and found a 200-mile-wide plug of mantle material—a mass concentration, or “mascon” in...

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