L clearance
English edit
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.