| matrix abbr. | |
| agric. tech. | moissonneuse-lieuse |
| anal.chem. | matrice |
| comp., MS | matrice |
| fin. | tableau; grille; matrice |
| market. mater.sc. | cavité; empreinte |
| nucl.phys. | matrice de conditionnement |
| pack. | matrice |
|
nonnegative : 4 phrases in 2 subjects |
| Natural sciences | 1 |
| Technology | 3 |