Definitions
noun
an enclosure within which something originates or develops (from the Latin for womb)
noun
a mass of fine-grained rock in which fossils, crystals, or gems are embedded
noun
a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules
noun
mold used in the production of phonograph records, type, or other relief surface
noun
the formative tissue at the base of a nail
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