| L&D | labor and delivery |
|---|---|
| LDR | labor, delivery, recovery |
| LDRPS | labor-delivery-recovery-postpartum suite |
| LDRS | labor-delivery-recovery suite |
| LFD | lactose-free diet; large for date [fetus]; late fetal death; lateral facial dysplasia; least fatal d... |
| lighthouse lens | <physics> A lens built up, progressively, in zones or steps, each zone with its own individual radius. Considerable spherical correction is attained, and the weight of the lens is greatly reduced. Fresnel lenses were originally designed for lighthouses but they are now attainable for small spotlights, automobile headlights, and similar uses. (05 Aug 1998) |
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