劣れっ化かウラン

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Meanings

1

noun

depleted uranium

Technical and military term for uranium with reduced U-235 content, used in armor-piercing ammunition and radiation shielding.

inferiority, be inferior to, be worse

化change, take the form of, influence

ウラン
Uranium in general; 劣化ウラン specifically refers to the depleted form with lower fissile isotope content.

Compound of 劣化 (deterioration, degradation) and ウラン (uranium), a calque of English 'depleted uranium'.