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.
水供給中の化学物質の有害性は、公衆衛生にとって大きな懸念です。