X type | engine
| engine abbr. | |
| gen. | artefacto; maquina; máquina |
| econ. | motor |
| environ. | motor |
| forestr. | motor de combustión |
| load.equip. | motor |
| railw. | locomotora |
| tech. | máquina de vapor; motor de explosión |
| English thesaurus | |||
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| cross-type | |||
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X type : 9 phrases in 8 subjects |
| Earth sciences | 1 |
| Materials science | 1 |
| Mathematics | 1 |
| Medical | 1 |
| Nautical | 1 |
| Statistics | 1 |
| Technology | 2 |
| Transport | 1 |