harmfulness
🇺🇸
/ˈhɑːrmflnəs/
🇬🇧
/ˈhɑːmflnəs/
the quality of being able to cause damage or injury
The harmfulness of chemicals in the water supply is a major concern for public health.
水供應中化學物質的有害性是公共健康的主要關注點。