| leg | legislation; legal |
|---|---|
| LeIF | leukocyte interferon |
| LEIS | low-energy ion scattering |
| LEL | lower explosive limit; lowest effect level |
| LEM | lateral eye movement; Leibovitz-Emory medium; leukocyte endogenous mediator; light emission microscopy |
| LEMO | lowest empty molecular orbital |
| LEMS | Lambert Eaton Myasthenic Syndrome |
| LEMS | Lambert-Eaton myasthenic syndrome |
| lenit | lenitive |
| LEOPARD | lentigines, EKG abnormalities, ocular hypertelorism, pulmonary stenosis, abnormalities of genitalia, retardation of growth, and deafness [syndrome] |