Zond
one of a series of soviet sp-ce probes that photographed the moon and returned to earth.
noun
any of a series of unmanned soviet sp-cecraft, first launched in 1964 as interplanetary sp-ce probes, the most successful of which, zond 3, sent back photographs of the hidden side of the moon in 1965
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. zone of acc-mulation see b horizon.
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a method of defense, especially in basketball and football, in which each member of the defensive team guards a specified portion of the playing area.
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the area within which a unit is prepared to place its fire.
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. zone of leaching see a horizon.