| Subject | Spanish | English |
| work.fl., IT | advertencia al lector | short prefatory note |
| work.fl., IT | advertencia al lector | note to the reader |
| work.fl. | aviso a los lectores | notice to readers |
| meas.inst. | cargador-lector | charger-reader |
| earth.sc. | cargador-lector de dosímetro | dosemeter charger reader |
| earth.sc. | cargador-lector de exposímetro | exposure meter charger reader |
| commun. | círculo de lectores | book club |
| psychol. | escritor como propio lector | writer-as-own-reader |
| IT | escritor-lector | writer-reader |
| commun. | fichero de lectores | borrower's register |
| psychol. | inmersión del lector | reader immersion |
| commun. | inscripción de los lectores | enrolment of readers |
| tech. | interruptor del lector del teclado | keyboard-reader switch |
| comp., MS | lector avanzado | power reader (A server role that grants read-only access to all dashboard elements on the PerformancePoint Server server, and is primarily used for alerts. It enables users to download dashboard elements from the PerformancePoint Server server) |
| commun., IT | lector buscador | reader-finder |
| IT, dat.proc. | lector-clasificador | reader-sorter |
| gen. | lector con derecho a préstamo | borrower (A person who uses library materials on a loan basis) |
| ed. | Lector de Adobe | Adobe Reader |
| telegr. | lector de banda | tape-reader |
| telegr. | lector de banda | tape-reading head |
| comp., MS | lector de bandas magnéticas | magnetic stripe reader (A device used to interpret data that is encoded on a magnetic stripe card) |
| transp. | lector de billetes codificados | ticket reading equipment |
| transp. | lector de billetes codificados | ticket de-coding equipment |
| comp., MS | Lector de BitLocker To Go | BitLocker To Go Reader (A user interface tool that is used to unlock external drives locked by BitLocker To Go and view/copy files in the drive) |
| IT | lector de caracteres ópticos | optical character reader |
| IT, nat.sc. | lector de CD-ROM | CD-ROM drive |
| gen. | lector de CD-ROM | CD-ROM reader |
| commun., IT | lector de cederrón | CD-ROM reader |
| commun., IT | lector de cederrón | CD-ROM drive |
| telegr. | lector de cinta | tape-reader |
| telegr. | lector de cinta | tape-reading head |
| commun., IT | lector de cinta de papel | paper tape reader |
| gen. | lector de cinta maestra | master reproducer |
| IT | lector de cinta magnética | magnetic-tape reader |
| IT | lector de cinta magnética | magnetic tape reader |
| earth.sc., el. | lector de cintas | cassette player |
| earth.sc., el. | lector de cintas | tape deck |
| gen. | lector de cintas | tape player |
| IT, nat.sc., industr. | lector de curvas | stroke device |
| IT, nat.sc., industr. | lector de curvas | curve follower |
| IT | lector de código de barras | bar code scanner |
| IT | lector de código de barras | bar-code reader |
| IT | lector de código de barras | optical bar-code scanner |
| comp., MS | lector de código de barras | bar code reader (An optical device that uses a laser beam to read and interpret bar codes, such as the Universal Product Codes, found on grocery products and other retail items) |
| IT | lector de códigos de barras | stripe code reader |
| IT | lector de códigos de barras | bar code reader |
| econ. | lector de discos | disc drive |
| IT, industr. | lector de discos compactos | compact disc player |
| IT | lector de distintivo | badge reader |
| transp. | lector de doble pista | double-head reader |
| earth.sc. | lector de dosímetro de fotoluminiscencia | reader for photoluminescent dosemeter |
| earth.sc. | lector de dosímetro de termoluminiscencia | reader for thermoluminescent dosemeter |
| earth.sc. | lector de exposímetro de fotoluminiscencia | reader for photoluminescent exposure meter |
| earth.sc. | lector de exposímetro de termoluminiscencia | reader of thermoluminescent exposure meter |
| IT | lector de ficha magnética | magnetic card reader |
| IT | lector de fichas de identificación | badge reader |
| comp., MS | lector de huellas digitales | fingerprint reader (An authentication device that digitally scans an individual's fingerprint, records the unique pattern of the individual's ridges and valleys, and determines if the pattern matches the pattern of the person who has access permission to a particular device, such as a computer or a phone, or to a Web site) |
| cultur. | lector de imagen | picture-head |
| ed. | lector de lengua extranjera | foreign-language assistant |
| IT | lector de mano | hand-held reader |
| IT | lector de marcas | mark reader |
| work.fl. | lector de microfichas | microfiche reader |
| IT | lector de microfilm | microfilm reader |
| cultur., commun. | lector de micropelículas | reader |
| cultur., commun. | lector de micropelículas | microreader |
| cultur., commun. | lector de micropelículas | microfilm reader |
| comp., MS, mexic. | lector de NFC | NFC reader (An external device that interacts with an NFC-enabled phone. These devices exchange data, such as contact details or secure payment information, with NFC-enabled phones through contactless communication) |
| radio | lector de niveles de señal en un programa | programme meter |
| comp., net. | lector de noticias | news client |
| comp., net. | lector de noticias | news reader |
| comp., MS | lector de noticias | newsreader (A Usenet client program that enables a user to subscribe to Usenet newsgroups, read articles, post follow-ups, reply by e-mail, and post articles. Many Web browsers also provide these functions) |
| comp., MS | lector de pantalla | screen reader (An app that reads what is displayed on a screen and converts the input for presentation by means of non-visual output devices) |
| dat.proc., life.sc. | lector de patrones vasculares | vein pattern scanner |
| dat.proc., life.sc. | lector de patrones vasculares | vein reader |
| dat.proc., life.sc. | lector de patrones vasculares | vein scanner |
| dat.proc., life.sc. | lector de patrones vasculares | vein pattern reader |
| IT | lector de película | film optical-sensing device |
| transp. | lector de pista sencilla | single-head reader |
| nat.sc., chem. | lector de placas | plate reader |
| nat.sc., chem. | lector de placas | microplate reader |
| pharma., chem. | lector de placas ELISA | Elisa plate reader |
| meteorol. | lector de RSS | RSS reader |
| law | lector de sentencias | reader of judgments |
| cinema | lector de sonido | sound unit |
| el. | lector de sonido | sound reproducer |
| cinema | lector de sonido | sound reader |
| cultur., el. | lector de sonido | soundhead |
| cultur., el. | lector de sonido | sound head |
| industr., construct. | lector de sonido | sound-head |
| el. | lector de sonido de cinta magnética | magnetic tape load |
| el. | lector de sonido de pista sonora cinematográfica | film sound track head |
| cultur. | lector de sonido fotoeléctrico | photo-electric soundhead |
| cultur. | lector de sonido magnético | magnetic soundhead |
| comp., MS | lector de tarjeta inteligente | smart card reader (A device that is installed in computers to enable the use of smart cards for enhanced security features) |
| IT | lector de tarjeta perforada | punched card reader |
| IT, transp. | lector de tarjetas | card reader |
| comp., MS | lector de tarjetas | card reader (An input device used chiefly for identification purposes that reads information that has been magnetically encoded, usually in two tracks, on a plastic card, such as a credit card or an employee badge) |
| IT | lector de tarjetas de identificación | badge reader |
| IT | lector de tarjetas inteligentes | smart-card reader |
| comp., MS | lector de tarjetas multi formato | all-in-one card reader (A flash card reader with slots that support the majority of card formats without the need of either a camera adaptor or external power) |
| comp., MS | Lector de utilidad | Utility Reader (A privilege that allows the user account to connect to the SQL Server Utility, see all viewpoints in the Utility Explorer in SSMS and see settings on the Utility Administration node in Utility Explorer in SSMS) |
| gen. | lector de vídeo | video player |
| comp., MS | Lector de Windows | Windows Reader (An app that facilitates the reading of PDF and XPS files) |
| pharma., chem. | lector digital | digital read-out |
| tech. | lector digital | digit scanner |
| pharma., chem. | lector ELISA conectado a microordenador | Elisa reader linked to a microcomputer |
| pharma., chem. | lector espectrofotométrico | spectrophotometric reader |
| gen. | lector-impresor | reader-printer (A machine that can be used to read a microform text and to make photocopies of the text) |
| IT | lector magnético | magnetic reader |
| el. | lector magnético | magnetic reproducer |
| earth.sc. | lector micrométrico | micrometric reading apparatus |
| comp., MS | lector NFC | NFC reader (An external device that interacts with an NFC-enabled phone. These devices exchange data, such as contact details or secure payment information, with NFC-enabled phones through contactless communication) |
| tech. | lector numérico | digit scanner |
| nucl.phys. | lector para dosímetro fotoluminiscente | reader for photoluminescence dosemeter |
| nucl.phys. | lector para dosímetro fotoluminiscente | reader for photoluminescence dosimeter |
| nucl.phys. | lector para dosímetro termoluminiscente | reader for thermoluminescence dosemeter |
| nucl.phys. | lector para dosímetro termoluminiscente | reader for thermoluminescence dosimeter |
| IT | lector-perforador de tarjetas | card reader-punch |
| gen. | lector-reproductor | reader-printer (A machine that can be used to read a microform text and to make photocopies of the text) |
| work.fl. | lector-reproductor de microfichas | microfiche reader-printer |
| comp., MS | Lector RSS | RSS Reader (A program that retrieves updates and displays RSS formatted webpages and messages known as news feeds or web feeds. RSS readers can often aggregate and display news feeds from multiple sources) |
| IT | lector subordinado | background reader |
| dat.proc., life.sc. | lector vascular | vein reader |
| dat.proc., life.sc. | lector vascular | vein scanner |
| dat.proc., life.sc. | lector vascular | vein pattern scanner |
| dat.proc., life.sc. | lector vascular | vein pattern reader |
| IT | lector óptico | optical reader |
| IT | lector óptico | optical scanner |
| IT | lector óptico | visual scanner |
| IT, dat.proc. | lector óptico | document reader |
| IT | lector óptico | optical character reader |
| IT | lector óptico alfanumérico | alphanumeric optical reader |
| commun. | lector óptico de caracteres | optical character reader |
| tech. | lector óptico de cinta | optical tape reader |
| IT | lector óptico de documentos | optical document reader |
| IT | lector óptico de marcas | optical mark reader |
| patents. | lectores de caracteres ópticos | optical character readers |
| patents. | lectores de CD-ROM | CD-ROM players |
| gen. | lectores de código de barras | lingerie fabric |
| gen. | lectores de código de barras | bar code readers |
| patents. | lectores de códigos de barras | bar code readers |
| patents. | lectores de tarjetas | card readers |
| patents. | lectores de videodiscos | video disc players |
| patents. | lectores de vídeo | video players |
| gen. | lectores ópticos | optical character readers |
| work.fl., commun. | servicio de orientación a los lectores | reader's advisory service |
| commun. | servicio de orientación para el lector | reader's service |
| patents. | tocadiscos, lectores de discos compactos, reproductores radiocasetes, micrófonos | record players, compact disc players, radio cassette players, microphones |
