highly toxic

Lead is highly toxic, especially for fetuses and young children.

Some of these chemicals are highly toxic, such as mercury.

Despite being highly toxic, no human fatalities have yet been reported.

The seeds are known to be highly toxic to mammals.

But it also can be highly toxic in high concentrations, Government scientists said.

"But at least it suggests that it's not highly toxic."

Yet vitamin A in large doses has long been known to be highly toxic.

It is highly toxic and was once used in chemical warfare.

In its natural state the seed is highly toxic to mammals.

High level waste remains active for 250,000 years and is highly toxic to most life forms.

In popular culture, cyanides are said to be highly toxic.

Also, some stories claim its breath is highly toxic and will cause death, usually immediately.

This red mud is damaging to the environment and highly toxic.

Maybe it's that it has invested a lot of money in highly toxic gasoline.

His blood gives off fumes that are highly toxic to human beings.

Use of the chemical has been subject to controversy, as it is highly toxic to dogs.

"But any persistent highly toxic agent in the ecosystem is dangerous."

With the ban on these highly toxic substances, they will become illegal in Europe.

At very high concentrations it is highly toxic and affects the central nervous system.

Nitrite is also highly toxic to fish in low concentrations.

The roe is highly toxic to many animals, including humans and birds.

Hydrogen sulfide, another highly toxic gas, may also be present.

There is no preventive vaccine, and treatment often requires a highly toxic drug.

Hemlock is highly toxic and confusion between the two plants could cause death.