Bullets or other projectiles which include a pyrotechnic component, allowing their path through the air to be seen.

plural of tracer bullet

plural of fan tracery

(architecture) Tracery rising from a capital or a corbel, and diverging like the folds of a fan over the surface of a vault.

plural of contact tracer

(epidemiology) A person engaged in contact tracing.

A town and civil parish with a town council in Teignbridge district, Devon, England (OS grid ref SX8178).

plural of path tracer

A program or algorithm for path tracing.