(colloquial) A short form of the female given name Tracy or Tracey.

simple past tense and past participle of contact trace

simple past tense and past participle of contact-trace

A translucent paper on which may be traced the design of whatever it is placed on.

(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

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

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

(computer graphics) A technique that produces realistically shaded images by projecting imaginary light rays to determine which parts of an object should be illuminated.

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