A positive feeling resulting from helping others, supposed to be caused by the release of endorphins within the brain.

(mining, historical) A boy employed to assist the barrowman out of a dip place.

plural of helper-up

plural of helper T cell

(immunology) A subtype of T cell that helps the activity of other immune cells by releasing cytokines, playing an important role in the adaptive immune system.

(immunology) A helper T cell.

plural of T helper cell

A city in Carbon County, Utah, United States, which got its name from the practice of the Denver & Rio Grande Railroad of attaching helper engines to trains there.

Alternative form of helper virus

A virus used to assist in the replication of viral vectors