(rail transport) A current collector on an electric train which is in contact with the live rail.

(of a delivery, exchange, etc., of physical goods) conducted without human-to-human contact so as to reduce the potential spread of a contagious disease.

Third-person singular simple present indicative form of contact-trace

simple past tense and past participle of contact-trace

present participle of contact-trace

plural of contact tracer

plural of contact tracing

(epidemiology) A person engaged in contact tracing.

plural of contact geometry

(differential geometry, countable) Given a smooth manifold of odd dimensionality, a distribution (subset) of the tangent bundle that satisfies the condition of complete nonintegrability, or equivalently may be locally defined as the kernel of a maximally nondegenerate differential 1-form;