Third-person singular simple present indicative form of trace

(chemistry) A chemical element present in a sample in very small quantities.

(paleontology) A type of fossil reflecting the reworking of sediments and hard substrates by organisms, rather than the physical remains of the organism itself. This includes structures such as burrows, trails, impressions, coprolites and borings.

plural of trace fossil

(geology) A line drawn on a map to represent the position of a fault line.

A star fort.

(programming) A hierarchical trace of the function calls made by a program, used in debugging.

(botany) An extension of vascular tissue from a plant's stem into a nearby leaf, resulting in a leaf gap in the plant's stele.

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

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