Zas·tru·gi n. pl.; sing. -ga . Grooves or furrows formed in snow by the action of the wind, and running parallel with the direction of the wind. This formation results from the erosion of transverse waves previously formed.
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GA
n 1: the first known nerve agent, synthesized by German chemists
in 1936; a highly toxic combustible liquid that is
soluble in organic solvents and is used as a nerve gas
in chemical warfare [syn: tabun]
2: a rare silvery (usually trivalent) metallic element; brittle
at low temperatures but liquid above room temperature;
occurs in trace amounts in bauxite and zinc ores [syn: gallium,
atomic number 31]
3: a state in southeastern United States; one of the
Confederate states during the American Civil War [syn: Georgia,
Empire State of the South, Peach State]