(idiomatic) To have a complex and apparently paradoxical nature, to be inconsistent, especially in a way that is ultimately noble or admirable.

The environment in which a polarity item is permitted to appear.

(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.

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;

plural of contingency cost

(accounting) An expense incurred precautionarily for a use that may not occur such as an event of damage or a change order.