| Subject | English | Spanish |
| pharma. | all substances used in homeopathic veterinary medicinal products provided that their concentration in the product does not exceed one part per ten thousand | toda sustancia utilizada en medicamentos veterinarios homeopáticos siempre que su concentración en el producto no sea superior a una parte por diez mil |
| gen. | one thousand | mil |
| avia., transp. | one-thousand-hour timelag fuel | combustible con 1000 horas de tiempo de retraso |
| avia., transp. | one-thousand-hour timelag fuel moisture | contenido de humedad de combustibles con 1000 horas de tiempode retraso |
| meteorol. | parts per thousand | partes por mil |
| agric. | per thousand | por mil |
| math. | ten thousands | decenas de millar |
| gen. | The mummy resurrected after a thousand years | La momia resucitó después de mil años |
| forestr. | thousand board feet | M.B.M. (MBF (thousand feet of board), MBM) |
| forestr. | thousand board feet | millar de pies de tablero |
| math. | thousand chart | tabla de 1, 000 |
| agric., tech. | thousand corn weight | peso de mil granos |
| meteorol. | thousand cubic feet per second | mil pies cúbicos por segundo |
| meteorol. | thousand feet | miles de pies |
| agric., industr., construct. | thousand-foot board measure | medida en millar de pies de tabla |
| nat.sc., agric. | thousand headed kale | col de mil hojas (Brassica oleracea var.millecapita) |
| nat.sc., agric. | thousand headed kale | col de mil cabezas (Brassica oleracea var.millecapita) |
| nat.sc., agric. | thousand-leaf | milenrama (Achillea millefolium) |
| nat.sc., agric. | thousand-leaf | milefolio (Achillea millefolium) |
| nat.sc., agric. | thousand-leaf | milhojas (Achillea millefolium) |
| gen. | thousand million | mil millones |
| agric. | thousand seed weight | peso de mil granos |
| stat., fin. | weight in thousands of ounces | peso en miles de onzas |
| agric., tech. | weight per thousand seeds | peso de mil granos |