| Subject | English | Spanish |
| fin., IT | additional data-ISO | datos complementarios-ISO |
| fin., IT | additional instructions-ISO | datos complementarios-ISO |
| meteorol. | certification of compliance to ISO 9001:2008 | certificación de cumplimiento de la norma ISO 9001:2008 |
| interntl.trade. | Decision on proposed understanding in WTO-ISO standards information system | Decisión relativa al proyecto de Entendimiento sobre un sistema de información OMC-ISO sobre normas |
| polit. | Decision on Proposed Understanding on WTO-ISO Standards Information System | Decisión relativa al proyecto de entendimiento sobre un sistema de información OMC-ISO sobre normas |
| polit. | Decision on Review of the ISO/IEC Information Centre Publication | Decisión sobre el examen de la información publicada por el Centro de Información de la ISO/CEI |
| chem. | di-iso-decyl phthalate | diisodecilftalato |
| med. | iso-adrenocorticism | isoadrenocorticismo |
| med. | iso-agglutination | isoaglutinación |
| med. | iso-agglutinin | isoaglutinina |
| med. | iso-agglutinogen | isoaglutinógeno |
| med. | iso-alleles | isoalelos |
| med. | iso-alleles | isoalelomorfos |
| med. | iso-allergy | isoalergia |
| med. | iso-anaphylaxis | isoanafilaxia |
| med. | iso-antibody | isoanticuerpo |
| med. | iso-antigen | isoantígeno |
| food.ind., chem., engl. | iso-ascorbic acid | E 315 |
| food.ind., chem. | iso-ascorbic acid | ácido eritórbico |
| food.ind., chem. | iso-ascorbic acid | ácido isoascórbico |
| telegr. | ISO 7 bits code | código ISO de 7 elementos |
| telegr. | ISO 7 bits code | alfabeto internacional n° 5 |
| chem., engl. | iso-butanol | isobutanol |
| chem., engl. | iso-butanol | iso-butanol |
| chem. | iso-butyl acetate | acetato de iso-butilo |
| chem. | iso-butyl alcohol | alcohol iso-butil |
| meteorol. | ISO 9000 certification | certificación ISO 9000 |
| med. | iso-clasp-System | sistema de ganchos equilibrados |
| chem. | ISO common name | nombre común de la ISO |
| meteorol. | ISO compliance | cumplimiento de las normas ISO |
| meteorol. | ISO 9001 compliance | cumplimiento de las normas ISO 9001 |
| comp., net. | ISO country code | código ISO del país |
| med. | iso-dactylism | isodactilismo |
| chem., engl. | iso-decanol | iso-decanol |
| lab.eq. | iso-electric focussing | isoelectroenfoque |
| chem. | iso-electric point | punto isoeléctrico |
| earth.sc. | iso-energetic | isoenergético |
| biochem. | iso-enzyme | isozima |
| biochem. | iso-enzyme | isoenzima |
| health. | iso-enzyme | iso-enzima |
| auto. | ISO flare | avellanado abocinamiento ISO |
| econ., market. | ISO-IEC Information Centre | Centro de Información ISO-CEI |
| med. | iso-ikonia | isoiconía (iso-iconia) |
| light. | iso-illuminance curve | curva iso-iluminancia |
| light. | iso-illuminance line | curva iso-iluminancia |
| comp., MS | ISO image | imagen ISO (An image file typically used to create optical disks including CD-ROMs and DVDs. The ISO format is supported by many commercially-available software products) |
| comp., MS | .iso image | imagen .iso (An image file typically used to create optical disks including CD-ROMs and DVDs. The ISO format is supported by many commercially-available software products) |
| med. | iso-immune serum | suero homólogo |
| med. | iso-immunization | isoinmunización |
| med. | iso-immunoreaction | isoinmunización |
| light. | iso-intensity curve | curva isointensidad |
| light. | iso-intensity diagram | diagrama isointensidad |
| light. | iso-intensity line | curva isointensidad |
| commun. | ISO Joint Picture Expert Group | Grupo Mixto de Expertos en Fotografía |
| chem. | iso-nonal | iso-nonol |
| chem. | iso-octane | isooctano |
| chem., engl. | iso-octanol | isooctanol |
| chem., engl. | iso-octanol | iso-octanol |
| med. | iso-onkia | isoonquia |
| med. | iso-osmotic | isosmótico |
| IT, dat.proc. | ISO owner identifier | identificador de propietario ISO |
| transp., mater.sc. | iso-power curves | curvas de isopotencia |
| transp., mater.sc. | iso-power curves | curvas de equipotencia |
| chem., engl. | iso-propanol | iso-propanol |
| IT | ISO seven-bit code | código ISO de 7 bits |
| comp., MS | ISO speed | sensibilidad ISO (A rating of a film's sensitivity to light. Though digital cameras don't use film, they have adopted the same rating system for describing the sensitivity of the camera's image sensor. Generally, as ISO speed climbs, image quality drops) |
| environ. | ISO standard standard of International Standard Organisation; Documented agreements containing technical specifications or other precise criteria to be used consistently as rules, guidelines, or definitions of characteristics, to ensure that materials, products, processes and services are fit for their purpose | Norma ISO |
| environ. | ISO standard | Norma ISO |
| gen. | ISO standard | norma ISO |
| tech. | ISO standard continuous power | potencia continua estándar ISO |
| meteorol. | ISO standards | normas ISO |
| transp., mater.sc. | iso-stress | esfuerzo constante |
| IT, dat.proc. | ISO text description | descripción de texto ISO |
| gen. | ISO/UPU Contact Committee | Comité de Contacto ISO/UPU |
| stat. | iso-utility line | linea de isoutilidad |
| met. | ISO V-notch longitudinal test piece | probeta ISO longitudinal con entalla en V |
| IT | standard six bit ISO code | código estandarizado de seis impulsos de la ISO |
| tech., met. | the brittle fracture behaviour was tested with the use of ISO specimens with a v-notch | la fragilidad es probada con la prueba de entalladura IS0 en V |
| econ., market. | Understanding in WTO-ISO Standards Information System | Entendimiento sobre un sistema de información OMC-ISO sobre normas |