median lethal dose
noun
The dose of a drug or of ionizing radiation that kills 50 per cent of test subjects; symbol LD50.
Origin
1920s.
- corolla tube
- coromandel
- Coromandel Coast
- coromandel ebony
- coromandel wood
- Corona
- Corona Australis
- Corona Borealis
- coronach
- corona discharge
- Coronado, Francisco Vásquez de
- coronagraph
- coronal
- coronal bone
- coronal plane
- coronal suture
- coronary
- coronary artery
- coronary care unit
- coronary occlusion
- coronary sinus
- coronary thrombosis
- coronary vein
- coronation
- coronation chicken