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.
- born and bred
- born digital
- borne
- Bornean
- Borneo
- born-free
- Bornholm
- Bornholm disease
- born in (or out of) wedlock
- born in (or to) the purple
- bornite
- Born, Max
- born on the wrong side of the blanket
- boro-
- Borobudur
- soleplate
- sole proprietor
- solera
- solera system
- solera wine
- sole trader
- Soleure
- soleus
- soleus muscle
- sol-fa