| mold used in the production of phonograph records, type, or other relief surface | tough elastic tissue; mostly converted to bone in adults |
| the formative tissue at the base of a nail | |
| the body substance in which tissue cells are embedded | |
| (mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules | |
| an enclosure within which something originates or develops | |
| (geology) a mass of fine-grained rock in which fossils, crystals, or gems are embedded | |