Definition of Strategic Defense Initiative in English:

Strategic Defense Initiative

Line breaks: Stra|tegic De|fense Ini¦tia|tive

Entry from British & World English dictionary

(abbreviation: SDI)
A projected US system of defence against nuclear weapons, using satellites armed with lasers to intercept and destroy intercontinental ballistic missiles. The project was renamed the Ballistic Missile Defense Organization in 1993. Popularly known as Star Wars.

Definition of Strategic Defense Initiative in:

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Pronunciation: ˌantēˈbeləm
adjective
occurring or existing before a particular war…