toxic

In hollows, or places where the air is stagnant, it may still be toxic.

The drug was a deadly one, he said, and the toxic dose was still to be determined.

Little is known of its toxic action, but a weak toxin has been got from cultures.

In dog 28 the first dose of caffein 50 mg per kilo was toxic.

This drug is one-seventh as toxic as cocaine but is also weaker in action.

The histone was so toxic that its anaphylactic properties could not be studied.

Nature in Asia has always been lavish with toxic substances.

When it occurs it most frequently results from toxic causes.

The experiments performed do not identify the nature of the toxic agent.

This would not be the case if the symptoms were due to toxic substances alone.