| Subject | English | Latvian |
| health., anim.husb. | matrix antigen | matrices antigēns |
| comp., MS | matrix data region | matricas datu apgabals (A report item on a report layout that displays data in a variable columnar format) |
| comp., MS | matrix organization | matricas organizācija (An organizational structure in which employees report to multiple managers for different purposes, such as to one manager for administrative purposes and to another for project purposes) |
| account., environ. | National Accounting Matrix including Environmental Accounts | nacionālā grāmatvedības matrica, kurā iekļauti vides konti |