| Subject | English | Basque |
| environ. | animal experiment Investigation carried out in animals for research purposes | animaliekin egindako esperimentu |
| environ. | animal experiment Investigation carried out in animals for research purposes | animaliekin egindako saiakuntza |
| math. | binary experiment | bitarra esperimentu |
| environ. | climatic experiment Experiments conducted to estimate future climatic conditions employing modelling of the physical processes underlying climatic change and variability; also, assessments are required of uncertain future man-made inputs such as increasing atmospheric carbon dioxide and other green-house gases | esperimentu klimatiko |
| math. | complex experiment | konplexua esperimentu |
| math. | design of experiments | esperimentuak diseinatzeko |
| math. | factorial experiment | diseinu faktorial |
| math. | factorial experiment | faktoriala esperimentua |
| environ. | field experiment Experiment carried out on a substance or on an organism in the open air as opposed to in a laboratory | landa-saiakuntza |
| environ. | field experiment Experiment carried out on a substance or on an organism in the open air as opposed to in a laboratory | landa-esperimentu |
| environ. | laboratory experiment Tests or investigations carried out in a laboratory | laborategiko esperimentu |
| environ. | laboratory experiment Tests or investigations carried out in a laboratory | laboretegiko saiakuntza |
| environ. | long-term experiment 1. Experiment lasting for a relatively long period of time. 2. Experiment whose results become effective after a long period of time | epe luzeko saiakuntza |
| math. | mixed factorial experiments | faktorial mistoa esperimentuak |