matriks
1. matriks, nohtna matica
the formative tissue at the base of a nail [tvorno tkivo, ki se nahaja pri korenu nohta]
2. matriks, osnova
(geology) a mass of fine-grained rock in which fossils, crystals, or gems are embedded [(geologija) masa drobnozrnatega kamna, v kateri so vkopane fosilije, kristali ali dragulji]