slow-acting

In December 1999, 15 patients received a slow-acting form that was released over a period of about four weeks.

Because it's slow-acting, the symptoms don't begin to show right away.

The leading theory was that they were caused by a slow-acting virus.

He could never be sure that one of the food ingredients was not a slow-acting poison.

He must be afflicted with some kind of slow-acting flu.

She believes that a slow-acting virus, not yet discovered, may be the cause.

"In the wild, there are some very slow-acting illnesses," she said.

"Here, drink this, just in case my sister gave you some slow-acting poison."

Many scientists suspect that a slow-acting virus infection might cause some cases of the disease.

Only high prices limited the intake of these slow-acting poisons.

The sadness of such events was like a slow-acting acid on Ryan's soul.

However, his exposure had taken place weeks ago, and that was a long time for even a slow-acting toxin to make its presence felt.

'It is slow-acting but will kill within five days.

An example of a slow-acting system is a hill-slope.

Their bites had a slow-acting poison that they used to kill crippled animals.

However, it is slow-acting and this reduces its usefulness.

Although automatic control was attempted, it was too slow-acting to be effective.

By this time the slow-acting contact poison would make her feel headachy and sleepy.

They gave them a drink laced with a very slow-acting mercury-based poison.

The acid in a baking powder can be either fast-acting or slow-acting.

They'd been primed with a slow-acting catalyst years ago.

When you poured her a glass of slow-acting poison?"

At the other extreme, human civilization is a kind of slow-acting group mind, integrated mainly through language."

She could sense the poison in the wounds, slow-acting to sap her strength and cause pain, eventually killing days later.