An endospore produced by the anthrax bacillus, noted for its ability to survive for long periods in the environment and its resistance to disinfection, and sometimes used as a biological weapon.
Origin
Late 19th century.
Definition of anthrax spore in US English:
anthrax spore
noun
An endospore produced by the anthrax bacillus, noted for its ability to survive for long periods in the environment and its resistance to disinfection, and sometimes used as a biological weapon.