direct-acting

[ dih-rekt-ak-ting, dahy- ]

adjective

1. (of a steam pump) having the steam pistons connected directly to the pump pistons without a crankshaft or flywheel.

Word History and Origins

Origin of direct-acting¹

First recorded in 1855–60

Example Sentences

The infection can now be stopped, in most cases, by taking direct-acting antiviral medication for two to three months.

From Los Angeles Times

The exact costs would hinge on negotiations with drug makers, who would be paid a lump sum to make an unlimited supply of direct-acting antiviral pills available to patients on Medicaid, as well as those who are uninsured, incarcerated, or treated through the Indian Health Service, said Collins, the former director of the National Institutes of Health.

From Los Angeles Times

But in light of those numbers, some experts were disappointed to see fewer than 6,000 patients in the Medi-Cal program getting the direct-acting antiviral medications annually in recent years.

From Los Angeles Times

Hepatitis C, a slow-moving virus that can lead to liver cancer, cirrhosis and death, can now be cured in most cases with a few months of direct-acting antiviral medication.

From Los Angeles Times

Hepatitis C can now be cured in the vast majority of cases by taking direct-acting antiviral medication for two to three months.

From Los Angeles Times