/'meɪtrɪks; `metrɪks/
n (pl matrices / 5meItrIsi:z;`metrI9siz/ or ~es)
1 mould into which molten metal, liquid, etc is poured to form shapes for eg printer's type, gramophone records, etc 铸模, 模型（如字模、唱片原模等）.
2 mass of rock, etc in which minerals, etc are found in the ground 母岩; 脉石; 基岩.
3 place where sth begins or develops 某物产生或成长之处; 发源地; 基质; 母体
*bacteria growing in a matrix of nutrients 生长在培养基中的细菌.
4 (mathematics 数) arrangement of numbers, symbols, etc in a grid, treated as a single quantity in mathematical operations 矩阵. =>illus 见插图.
5 (computing 计) group of circuit elements arranged to look like a lattice or grid 矩阵.

npluralmatrices [-trɪsiːz/