| Subject | English | Catalan |
| environ. | testing guideline No definition needed | directriu d'assaig |
| environ. | testing method No definition needed | mètode de proves |
| environ. | testing of chemicals The determination of the efficacy and the toxicity of chemical products | prova de substàncies químiques |
| stat. | testing of hypothesis | tests d'hipòtesis |
| stat. | testing of hypothesis | contrasts d'hipòtesis |
| math. | testing of hypothesis | tests d'hipòtesis, contrasts d'hipòtesis |
| environ. | testing of materials The complex of tests performed in order to ascertain the characteristics and behaviour of materials; they are classified in physical and chemical tests, mechanical tests and technological tests | prova de materials |
| environ. | testing of plant protection products Tests performed to establish the effectiveness of pesticides under a wide variety of climatic and other environmental conditions; to assess the possible side effects on animals, plants and humans and to determine the persistence of pesticide residues in the environment | assaig de productes de protecció de les plantes |