A process of determining the current and past locations (and other information) of a unique item or property.

plural of trace horse

Without showing or leaving behind any sign of something; tracelessly.

One of the outside horses, in a team of three or more horses that are harnessed side-by-side, drawing a load or vehicle.

plural of trace element

(chiefly attributive) The automatic capture of the originating numbers of incoming calls to a particular telephone number.

simple past tense and past participle of contact trace

(epidemiology) To identify everyone with whom a person carrying an infectious disease has come into contact since contracting the disease.

A means of combating coronavirus by taking samples from individuals and instructing those who are infected to isolate themselves from others and provide details of their recent close contacts, who are also told to isolate.

(botany) Synonym of leaf trace