| LEL | lower explosive limit; lowest effect level |
|---|---|
| LF | labile factor; lactoferrin; laryngofissure; Lassa fever; latex fixation; left foot; left forearm; le... |
| Lf | limit of flocculation |
| LFL | left frontolateral; leukocyte feeder layer; lower flammable limit |
| lim | limit, limited |