(physics) the effect on the surface of a liquid that makes it behave as a stretched elastic membrane; it is caused by unbalanced intermolecular forces / (physics) a measure of this effect

A range of services providing assistance with technology such as televisions, computers, and software, typically aiming to help the user with a specific problem.

(transitive, archaic and Scotland) To teach. / (intransitive, archaic) To learn.

An incorrigibly bad individual.