| Subject | English | Spanish |
| industr. | aluminium smelting | fundición de aluminio |
| fish.farm. | American smelt | eperlano arco iris (Osmerus mordax, Osmerus mordax mordax) |
| fish.farm. | Arctic smelt | eperlano ártico (Osmerus dentex, Osmerus mordax dentex) |
| fish.farm. | Asiatic smelt | eperlano ártico (Osmerus dentex, Osmerus mordax dentex) |
| fish.farm. | boreal smelt | eperlano ártico (Osmerus dentex, Osmerus mordax dentex) |
| fish.farm. | deepsea smelt | argentina del Pacífico (Argentina semifasciata, Glossanodon semifasciatus) |
| ichtyol. | Deep-sea smelt | Argentina del Pacífico Glossanodon semifasciatus |
| tech., industr., construct. | device to eliminate smells | dispositivo de eliminación de olores |
| fish.farm. | European smelt | eperlano (Osmerus eperlanus) |
| life.sc., fish.farm. | European smelt | eperlán europeo (Osmerus eperlanus) |
| life.sc., fish.farm. | European smelt | eperlano europeo (Osmerus eperlanus) |
| ichtyol. | European smelt | Eperlano europeo Osmerus eperlanus |
| nat.res., fish.farm. | European smelt | eperlán (Osmerus eperlanus) |
| met. | flash smelting furnace | horno de fusión rápida |
| life.sc., fish.farm. | greater silver smelt | sula (Argentina silus) |
| life.sc., fish.farm. | greater silver smelt | pejerrey (Argentina silus) |
| life.sc., fish.farm. | greater silver smelt | pión de altura (Argentina silus) |
| life.sc., fish.farm. | greater silver smelt | pez de plata grande (Argentina silus) |
| life.sc., fish.farm. | greater silver smelt | argentina (Argentina silus) |
| environ. | leakage of ill smelling vapour | fuga de emanaciones malolientes |
| fish.farm. | lesser silver smelt | pez plata pequeño (Argentina sphyraena) |
| fish.farm. | lesser silver smelt | pez plata (Argentina sphyraena) |
| environ. | metal smelting | fusión de metales |
| environ. | metal smelting A metallurgical process in which ore mixtures are heated above melting point to extract or yield a crude metal | fusión de metales |
| fish.farm. | pond smelt | eperlano de estanque (Hypomesus olidus) |
| ichtyol. | pond smelt | eperlano de estanque Hypomesus olidus |
| environ. | primary smelting slag | escoria de primera fusión |
| environ. | primary smelting slags/white drosses | Escorias-granzas blancas de primera fusión |
| fish.farm. | rainbow smelt | eperlano ártico (Osmerus dentex, Osmerus mordax dentex) |
| nat.res., fish.farm. | rainbow smelt | eperlano arco iris (Osmerus mordax) |
| ichtyol. | rainbow smelt | eperlano arco iris Osmerus mordax |
| environ. | salt slag from secondary smelting | escoria de sal de segunda fusión |
| environ. | salt slags from secondary smelting | Escorias de sal de segunda fusión |
| fish.farm. | sand-smelt | chucleto (Atherina hepsetus (Linnaeus)) |
| fish.farm. | sand-smelt | pejerrey (Atherina hepsetus (Linnaeus)) |
| ichtyol. | sand smelt | abichón Atherina presbyter, Atherina moch |
| ichtyol. | sand smelt | mochón Atherina presbyter, Atherina moch |
| ichtyol. | sand smelt | cabezuela Atherina boyeri |
| ichtyol. | sand smelt | pejerrey Atherina presbyter, Atherina moch |
| fish.farm. | sand-smelt | xasclet (Atherina hepsetus) |
| fish.farm. | sand-smelt | chuclet (Atherina hepsetus (Linnaeus)) |
| fish.farm. | sand-smelt | abichón (Atherina hepsetus (Linnaeus)) |
| gen. | smell bad | apestar |
| chem. | smelling salt | sal revulsiva |
| chem. | smelling salt | sal inglesa |
| health. | smelling salts | sales aromáticas |
| gen. | smelling salts | sales contra el desvanecimiento |
| agric., mater.sc. | smelling test | ensayo al o para elolor |
| industr. | smelting installation | instalación de fusión |
| industr. | smelting plant | instalación de fusión |
| met. | smelting reduction of iron ore | reducción y fusión del mineral de hierro |
| fish.farm. | surf smelt | eperlano del Pacífico (Hypomesus pretiosus) |
| ichtyol. | surf smelt | eperlano del Pacífico Hypomesus pretiosus |
