But it has a poisonous effect on the entire process.

Dramana assured us indeed that this tree had a poisonous effect upon all other vegetation.

There was no helping it: he'd have to wait until later, when the liquor's poisonous effects had worn off a little.

One night the poisonous effects of gas collecting in a depression killed two drillers and three Iraqi workers.

Many pollutants have a poisonous effect on the body.

The poisonous effects of pollution from farm chemicals is blamed for the species' demise.

It is about the poisonous effect that unfounded gossip has on a middle-aged man's happiness.

Medical men, according to his view, have been afraid of producing a poisonous effect with their drugs.

Let us, then, form the provisional theory that every nine days the professor takes some strong drug which has a passing but highly poisonous effect.

Coming gradually as it did, the poisonous effect of the deadly stuff increased insidiously.