|  matrix 
 
 1. (mathematics) a rectangular array of quantities or expressions set out by rows and columns;
 treated as a single element and manipulated according to rules (Freq. 1)
 • Topics:
 mathematics, math, maths
 • Hypernyms:
 array
 • Hyponyms:
 correlation matrix, dot matrix, square matrix, real matrix, transpose
 2. (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded
 • Topics:
 geology
 • Hypernyms:
 rock, stone
 3. an enclosure within which something originates or develops (from the Latin for womb)
 • Hypernyms:
 enclosure, natural enclosure
 4. the body substance in which tissue cells are embedded
 • Syn:
 intercellular substance, ground substance
 • Hypernyms:
 body substance
 • Part Holonyms:
 bone, os, cartilage, gristle, connective tissue
 5. the formative tissue at the base of a nail
 • Hypernyms:
 animal tissue
 • Part Holonyms:
 nail
 6. mold used in the production of phonograph records, type, or other relief surface
 • Hypernyms:
 mold, mould, cast
 
 
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