ENGLISH
REFERENCE

anthrax

n. uncountable
C2 Proficiency US //ˈænθɹæks// UK //ˈænθɹæks// an·thrax

n. a serious and dangerous disease that can spread from animals to humans. It is caused by bacteria and is often mentioned in news about farming or safety.

n. an acute infectious disease caused by the bacterium Bacillus anthracis, primarily affecting livestock but transmissible to humans through contact or inhalation.


SIMPLE

The farmer vaccinated his cattle against anthrax.

CONTEXTUAL

Health officials monitored the area closely after a wild deer tested positive for anthrax during the summer heatwave.

COMPLEX

While naturally occurring in soil, the spores of anthrax became a significant concern for global security due to their potential for weaponization and high stability in various environments.

Origin

From Ancient Greek ἄνθραξ (ánthrax, “abscess, boil”).

Usage

Uncountable when referring to the disease itself; can be countable when referring to specific strains or cases in a medical context.

© 2026 English Reference