L clearance
English
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Etymology
[edit](This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “What's L for? "Limited" maybe?”)
Noun
[edit]L clearance (plural L clearances)
- (US) A security clearance issued by the United States Department of Energy, allowing civilian access to nuclear-related materials, but less rigorous than a Q clearance.