The involuntary tendency of speakers to increase their vocal effort when speaking in the presence of noise.

Synonym of Barnum effect

An increase in voltage occurring at the receiving end of a long transmission line, above the voltage at the sending end. This occurs when the line is energized, but there is a very light load or the load is disconnected. The capacitive line charging current produces a voltage drop across the line inductance that is in-phase with the sending end voltages considering the line resistance as negligible.

The thermionic effect by which electrons are transferred from a hot cathode into a vacuum, in a vacuum tube.

The mechanism by which various cannabinoids work together to give therapeutic benefits.

The situation where a widely publicized suicide leads to a number of copycat suicides.

The finding that, faced with evidence that contradicts their beliefs, people can reject the evidence and believe even more strongly.

(of a graph or a table) showing the relationship between the dose and the effect of some administered medication or chemical

An auditory illusion where the listener incorrectly localizes a sound.

(UK) A cultural change in the field of medicine sparked by the conviction of Harold Shipman for murdering his patients, and the formal recommendations from the subsequent Shipman Inquiry.