Meaning of MATRIX in English

ma ‧ trix /ˈmeɪtrɪks/ BrE AmE noun ( plural matrices /-trəsiːz, -trɪsiːz/ or matrixes ) [countable] technical

[ Date: 1300-1400 ; Language: Latin ; Origin: 'womb' , from mater 'mother' ]

1 . an arrangement of numbers, letters, or signs in rows and ↑ column s that you consider to be one amount, and that you use in solving mathematical problems:

a matrix table

2 . a situation from which a person or society can grow and develop:

the cultural matrix

3 . a living part in which something is formed or develops, such as the substance from which your ↑ fingernail s grow

4 . a ↑ mould (=hollow container) into which melted metal, plastic etc is poured to form a shape

5 . the rock in which hard stones or jewels have formed

⇨ ↑ dot-matrix printer

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.