An artificially created or enhanced sound, used to accompany the action of a dramatic production, such as a film, play or video game

simple past tense and past participle of efface

present participle of efface

Third-person singular simple present indicative form of efface

An educated or well-respected man in an eastern Mediterranean or Arab country; often used as a title of respect or courtesy in Turkey or a former Ottoman territory.

(ecology) The negative population growth observed at low population densities.

(physics) The visible scattering of light along the path of a beam caused by discontinuities such as suspended particles.

(physics) The tendency of alternating current to distribute itself in a conductor such that the current density is greater near the surface than near the core. The effect increases with frequency.

(Britain) A secondary, often unintended effect; a repercussion, chain reaction.

The technical notion of sensitive dependence on initial conditions in chaos theory.