Definition of supralethal in English:

supralethal

adjective

Biology Medicine
  • Of a dose of drug, radiation, etc.: exceeding what is normally considered to be lethal.

Origin

Early 20th century. From supra- + lethal.

Pronunciation

supralethal

/ˌsuːprəˈliːθl//ˌsjuːprəˈliːθl/