Metric
Part of speech: noun
Definition: A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (esp. used in Software Engineering) A measurement of the "distance" between two points in some metric space: it is a function d(x,y) between points x and y satisfying the following properties: (1) "positive definiteness": d(x,y) \ge 0 and d(x,y) = 0 \mbox{ iff } x=y , (2) "symmetry": d(x,y) = d(y,x) , and (3) "triangle inequality": d(x,y) \le d(x,z) + d(z,y) .
Part of speech: adjective
Definition: of or relating to the metric system of measurement of or relating to the meter of a piece of music. Of or relating to distance
Matrix
Part of speech: noun
Definition: The womb. The concept of an enclosure is common to many of the other uses of matrix.The material or tissue in which more specialized structures are embedded.An extracellular matrix, the material or tissue between the cells of animals or plants.Part of the mitochondrion.The medium in which bacteria are cultured.A rectangular arrangement of numbers or terms having various uses such as transforming coordinates in geometry, solving systems of linear equations in linear algebra and representing graphs in graph theory.A two-dimensional array.A table of data.A geological matrix, the outer material of a rock consisting of larger grains embedded in a material consisting of smaller ones.The sediment surrounding and including the artifacts, features, and other materials at a site.The environment from which a given sample is taken.
Example sentence: The Matrix is top secret. There isn't much that can be said right now.