| Subject | English | Catalan |
| environ. | artificial lake Lakes created behind manmade barriers | llac artificial |
| environ. | artificial reproductive technique | procreació artificial |
| environ. | artificial satellite Any man-made object placed in a near-periodic orbit in which it moves mainly under the gravitational influence of one celestial body, such as the earth, sun, another planet, or a planet's moon | satèl·lits artificials |