trace (redirected from traceability)

trace

See autotrace, wire trace and Traceroute.

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trace¹

1. any line drawn by a recording instrument or a record consisting of a number of such lines

2. the postulated alteration in the cells of the nervous system that occurs as the result of any experience or learning

3. Geometry the intersection of a surface with a coordinate plane

4. Maths the sum of the diagonal entries of a square matrix

5. Meteorol an amount of precipitation that is too small to be measured

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trace²

1. either of the two side straps that connect a horse's harness to the swingletree

2. Angling a length of nylon or, formerly, gut attaching a hook or fly to a line

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trace [trās]

(computer science)

To provide a record of every step, or selected steps, executed by a computer program, and by extension, the record produced by this operation.

(electronics)

The visible path of a moving spot on the screen of a cathode-ray tube. Also known as line.

(engineering)

The record made by a recording device, such as a seismometer or electrocardiograph.

(geology)

The intersection of two geological surfaces.

(mathematics)

The trace of a matrix is the sum of the entries along its principal diagonal. Designated Tr. Also known as spur.

The trace of a linear transformation on a finite-dimensional vector space is the trace (in the sense of the first definition) of the matrix associated with it.

One of the curves along which a given surface cuts a coordinate plane.

A point at which a given straight line in space passes through a coordinate plane. Also known as piercing point.

The projection of a given straight line in space on a coordinate plane.

(meteorology)

A precipitation of less than 0.005 inch (0.127 millimeter).

(science and technology)

An extremely small but detectable quantity of a substance.