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terr.
terra
terra alba
terra cotta
terra firma
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Terra Nova National Park
terra nullius
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terrestrial guidance

ter·res·tri·al guid·ance


noun 
Definition:
 
missile guidance system: a missile or rocket guidance system in which the missile is programmed with precise details of its flight path, enabling it to follow a predetermined route. Data provided include gravitational field, magnetic field, and atmospheric pressure.
See also  inertial guidance


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