| Subject | Spanish | English |
| stat., lab.law. | accidente de trabajo con 1 a 3 días de ausencia | non-fatal accident from 1 to 3 days'absence |
| stat., lab.law. | accidente de trabajo con 1 a 3 días de ausencia | accident from 1 to 3 days'absence |
| stat., lab.law. | accidente de trabajo con 1 a 3 días de baja | non-fatal accident from 1 to 3 days'absence |
| stat., lab.law. | accidente de trabajo con 1 a 3 días de baja | accident from 1 to 3 days'absence |
| chem. | 5-Alil-1,3-benzodioxol | safrole |
| chem. | 5-Alil-1,3-benzodioxol | 5-Allyl-1, 3-benzodioxole |
| environ., chem. | 4-amino-3-metil-6-fenil-1,2,4-triazin-5-ona | metamitron |
| environ., chem. | 4-amino-3-metil-6-fenil-1,2,4-triazin-5-ona | 4-amino-3-methyl-6-phenyl-1, 2, 4-triazin-5-one |
| commun. | audio de 3,1 kHz en modo circuito | circuit-mode 3,1 kHz audio |
| IT | audiofrecuencia a 3,1 kHz | 3.1 kHz audio frequency |
| chem. | butadieno-1,3 | erythrene |
| chem. | 1,3-butadieno | buta-1, 3-diene |
| chem. | 1,3-butadieno | 1, 3-butadiene |
| chem. | 1,3-butadieno | bivinyl |
| chem. | butadieno-1,3 | dl vinyl |
| food.ind. | butano-1, 3-diol | 1,3-butylene glycol |
| food.ind. | butano-1, 3-diol | butan-1,3-diol |
| food.ind. | 1,2,3,4-butanotetrol | erythrite |
| food.ind. | 1,2,3,4-butanotetrol | meso-erythritol |
| food.ind. | 1,2,3,4-butanotetrol | erythritol |
| food.ind. | 1,2,3,4-butanotetrol | tetrahydroxybutane |
| food.ind. | 1,2,3,4-butanotetrol | 1,2,3,4-butanetetrol |
| chem. | chlorhidrato de 3-deciloxi-2-hidroxi-1-aminopropano | decyloxy-3-hydroxy-2amino-1 propane hydrochlorate |
| chem. | chlorhidrato de 3-deciloxi-2-hidroxi-1-aminopropano | decominol |
| tech. | clavo de 1 3/4 de pulgada | five-penny nail |
| chem. | 2-Cloro-1,3-butadieno | 2-Chloro-1,3-butadiene |
| chem. | 2-cloro-butadieno-1,3 | chloroprene |
| chem. | 1-cloro-2,3-epoxipropano | 3-epoxypropane |
| chem. | 1-cloro-2,3-epoxipropano | 1-chloro-2 |
| gen. | comunicación inalámbrica "3 en 1" | three-in-one wireless communication |
| gen. | comunicación inalámbrica "3 en 1" | 3-in-1 wireless communication |
| chem. | copolímero de cloruro de vinilideno y de 1,2,3,3,3-pentafluoropropileno | copolymer of vinylidene chloride with 1 |
| chem. | copolímero de cloruro de vinilideno y de 1,2,3,3,3-pentafluoropropileno | 3-pentafluoropropylene |
| chem. | copolímero de fluoruro de vinilideno y de 1,2,3,3,3-pentafluoropropileno | copolymer of vinylidene fluoride with 1 |
| chem. | copolímero de fluoruro de vinilideno y de 1,2,3,3,3-pentafluoropropileno | 3-pentafluoropropylene |
| chem. | 1,2-Dibromo-3-cloropropano | 1, 2-Dibrom-3-chloropropane |
| chem. | 1,2-dibromo-3-cloropropano | 1, 2-dibromo-3-chloropropane |
| agric., chem. | 1,2-dibromo-3-cloropropano | 1, 2-dibrom-3-chlorpropane |
| chem. | 1,3-dicloro-2-propanol | 1, 3-dichloropropan-2-ol |
| chem. | 1,3-dicloro-2-propanol | 1, 3-dichloro-2-propanol |
| food.ind. | 1, 3-dicloro-2-proponal | 1,3-dichloro-2-proponal |
| med. | 1,3-difosfoglicerato | 1,3-diphosphoglycerate |
| med. | 1,3-difosfoglicerato | 1,3-bisphosphoglycerate |
| chem. | 1-5-etilsulfonil-1,3,4-tiadiazol-2-il-1,3-dimetilourea | ethidimuron |
| chem. | 1-5-etilsulfonil-1,3,4-tiadiazol-2-il-1,3-dimetilourea | 1-5-ethylsulphonyl-1,3,4-thiadiazol-2-yl-1, 3-dimethylurea |
| IMF. | División 1, 2, 3, ... | Division 1, 2, 3, ... |
| IMF. | División de Operaciones Fiscales 1, 2, 3 | Fiscal Operations Division 1, 2, 3 |
| life.sc. | endo-1,3^4-beta-glucanasa | endo-1,3-β-glucanase |
| life.sc. | endo-1,3^4-beta-glucanasa | endo-1,3-beta-glucanase |
| inet. | Estrato de Audio 3 de MPEG-1 | MPEG-1 Audio Layer-3 |
| chem. | 2-etilhexan-1,3-diol | 2-ethylhexan-1, 3-diol |
| agric. | "3 fase 1" | tunnel system |
| agric. | "3 fase 1" | three phases in one method |
| agric. | "3 fase 1" | "3 phase 1" |
| law | funcionarios de grado A1 a A3 | officials in grades A1 to A3 |
| food.ind. | 4-hexil-1,3-bencenodiol | 4-hexylresorcinol |
| food.ind. | 4-hexil-1,3-bencenodiol | hexylresorcinol |
| food.ind. | 4-hexil-1,3-bencenodiol | 4-hexyl-1,3-benzenediol |
| chem. | 6-metil-1,3-ditiolo4,5-bquinoxalin-2-ona | 6-methyl-1, 3-dithiolo4,5-bchinoxalin-2-one |
| chem. | 1-metil-3-nitro-1-nitrosoguanidina | 1-methyl-3-nitro-1-nitrosoguanidine |
| food.ind. | 3-monocloropropano-1, 2-diol | 3-monochloropropane-1,2-diol |
| chem. | 3-monocloro-1,2-propanodiol | 3-monochloro-1, 2-propanediol |
| chem. | 1-4-tercbutil-fenil-3 metoxifenil 1.3. propanodiona | 1-4-tert-butylphenyl-3-4-methoxyphenyl propane-1-3-dione |
| chem. | 1,3-propanosultona | 1, 3-propanesultone |
| food.ind. | 1,2,3-propanotriol diacetato | glyceryl diacetate |
| food.ind. | 1,2,3-propanotriol diacetato | diacetin |
| food.ind. | 1,2,3-propanotriol diacetato | glycerol diacetate |
| food.ind. | 1,2,3-propanotriol diacetato | 1,2,3-propanetriol diacetate |
| chem. | 1,3-propiolactona | 3-propanolide |
| chem. | 1,3-propiolactona | 1, 3-propiolactone |
| commun. | servicio portador de audio en modo circuito a 3,1 kHz | circuit mode 3.1 kHz audio bearer service |
| commun. | teleservicio telefonía a 3,1 kHz | telephony 3.1 kHz teleservice |
| chem. | 1,2,3,6-tetrahidro-N-1,1,2,2-tetracloroetiltioftalimida | captafol ISO |
| chem. | 1,2,3,6-tetrahidro-N-1,1,2,2-tetracloroetiltioftalimida | 1, 2, 3, 6-tetrahydro-N-1,1,2,2-tétrachloroethylthio phthalimide |
| chem. | 2,4,6-trianilina-p-carbo-2'-etilhexil-1'-oxi 1,3,5-triazina | 2, 4, 6-trianilino-p-carbo-2'-ethylhexyl-1'-oxi-1, 3, 5-triazine |
| chem. | 1,2,3-tricloropropano | 1,2,3-trichloropropane |
| food.ind. | trietil-2-hidroxipropano-1,2,3-tricarboxilato | triethyl 2-hydroxypropan-1, 2, 3-tricarboxylate |
| food.ind. | trietil-2-hidroxipropano-1,2,3-tricarboxilato | triethyl citrate |
| food.ind. | trietil-2-hidroxipropano-1,2,3-tricarboxilato | ethyl citrate |
| food.ind., chem. | 6R-3,5,6-trihidroxi-4,6-bis3-metilbut-2-en-1-il-2-3-metil-1-oxobutilciclohexa-2,4-dien-1-ona | alpha-lupulic acid |
| food.ind., chem. | 6R-3,5,6-trihidroxi-4,6-bis3-metilbut-2-en-1-il-2-3-metil-1-oxobutilciclohexa-2,4-dien-1-ona | humulone |
| food.ind., chem. | 6R-3,5,6-trihidroxi-4,6-bis3-metilbut-2-en-1-il-2-3-metil-1-oxobutilciclohexa-2,4-dien-1-ona | alpha acid |
| food.ind., chem. | 6R-3,5,6-trihidroxi-4,6-bis3-metilbut-2-en-1-il-2-3-metil-1-oxobutilciclohexa-2,4-dien-1-ona | alpha-bitter acid |
| food.ind., chem. | 6R-3,5,6-trihidroxi-4,6-bis3-metilbut-2-en-1-il-2-3-metil-1-oxobutilciclohexa-2,4-dien-1-ona | 6R-3,5,6-trihydroxy-4,6-bis 3-methylbut-2-en-1-yl-2-3-methyl-1-oxobutyl cyclohexa-2,4-dien-1-one |
| chem. | ácido 1,3-dimetilbarbitúrico | 1, 3-dimethyl-barbituric acid |
