matrix Definition

matrix
noun matrices, matrixes

1. math.
A square or rectangular arrangement of symbols or numbers, in rows or columns, used to summarize relationships between different quantities, etc.
2. biol.
In tissues such as bone and cartilage: the substance in which cells are embedded.
3. anatomy.
The tissue lying beneath the body and root of a fingernail or toenail, and from which it develops.
4. geol.
The rock in which a mineral or fossil is embedded.
5. printing.
A mould, especially one from which printing type is produced.
6. old use
The womb.

Etymology: 16c: Latin, meaning ‘womb'.