| Subject | English | Spanish |
| patents. | adduce witnesses | alegar testigos |
| patents. | adduce witnesses | aducir testigos |
| patents. | adduce witnesses | citar testigos |
| law | adversarial witness | testigo desfavorable |
| law | adverse witness | testigo adverso |
| law | adverse witness | testigo adverso |
| patents. | bear witness | dar testimonio |
| patents. | bear witness to | atestiguar |
| patents. | bear witness to | atestar |
| patents. | call witnesses | aducir testigos |
| patents. | call witnesses | alegar testigos |
| patents. | call witnesses | citar testigos |
| gen. | to call witnesses | presentar testigos |
| patents. | cause the witness to be summoned | ocasionar el emplazamiento del testigo |
| patents. | cause the witness to be summoned | ocasionar la citación del testigo |
| law | compensation payable to the witness | compensación pagadera a testigo |
| crim.law. | cooperative witness | colaborador con la justicia |
| polit., law | defaulting witness | testigo que no comparece |
| law | defence witness | testigo que declare en favor de - |
| law | defence witness | testigo de descargo |
| law | defense witness a witness who appears to support the defense's argument | testigo de la defensa |
| law | defense witness | testigo de descargo |
| law | defense witness | testigo de la defensa |
| patents. | deposition by a witness | testimonio |
| patents. | deposition by a witness | deposición del testigo |
| patents. | enforcement of the summons served on a witness | comparecimiento de un testigo ante el juez |
| law | evidence given as witness | prueba testifical |
| law | evidence given as witness | interrogatorio de testigos |
| law | evidence given by witness | interrogatorio de testigos |
| law | evidence given by witness | prueba testifical |
| law | evidence of the witness | declaración del testigo |
| law | examination of an official as witness before a national court | testimonio de funcionario antes la jurisdicción nacional |
| polit., law, patents. | examination of witnesses | examen de los testigos |
| polit., law, patents. | examination of witnesses | interrogatorio de los testigos |
| patents. | examination of witnesses | examen de testigos |
| polit., law | examination of witnesses and experts | examen de testigos y peritos |
| patents. | examine witnesses | interrogar testigos |
| law | exclusion of witnesses | exclusión de testigos |
| polit., law | exempt a witness from taking the oath | dispensar al testigo de prestar juramento |
| law | expert witness | testigo experto |
| law | expert witness | testigo pericial |
| law | expert witness | perito pericial |
| law | expert witness | perito |
| law | expert witness | perito testigo pericial |
| law | expert witness | experto |
| law | expert witness | perito o consultor técnico |
| law | expert witness | testigo experto |
| law | expert witness a knowledgeable witness who argues technical or other points | testigo experto |
| law | eye witness | testigo presencial |
| law | eye witness | testigo ocular |
| comp., MS | file share witness | testigo del recurso compartido de archivos (A new type of Majority Node Set (MNS) quorum in Windows Server 2003. In Exchange Server 2007, cluster continuous replication (CCR) uses the MNS quorum with file share witness instead of the traditional voter node) |
| law | further summons served on the witness | segunda citación del testigo |
| polit., law | further summons to be served on the witness | segunda citación del testigo |
| patents. | grant a witness reimbursement of expenses | acordar las costas de un testigo |
| patents. | grant a witness reimbursement of expenses | conceder las costas de un testigo |
| patents. | grant a witness reimbursement of expenses | reconocer las costas de un testigo |
| law | hearing of a witness or expert before the Office | audiencia de testigo o perito ante la Oficina |
| law | hearing of a witness or expert by the judicial authority of his place of permanent residence | declaración de un testigo o un perito ante la autoridad judicial de su domicilio |
| law | hearing of witnesses | audiencia |
| polit., law, patents. | hearing of witnesses | interrogatorio de los testigos |
| law | hearing of witnesses | audición de testigos |
| polit., law, patents. | hearing of witnesses | examen de los testigos |
| patents. | hearing of witnesses | examen de testigos |
| polit., law | hearing of witnesses and experts | examen de testigos y peritos |
| law | hostile witness | testigo hostil |
| law | hostile witness | testigo hostil |
| law | hostile witness | testigo que declara en contra de la parte que lo presenta |
| law | hostile witness a witness for the opposing side | testigo hostil |
| law | identity of the witness | identidad de los testigos |
| law | impeachment of witness | acusación de testigo |
| law | impeachment of witness | impugnación de testigo |
| law | impeachment of witness | impugnación del testigo |
| law | impeachment of witness discrediting a witness | acusación de testigo |
| patents. | impeachment of witnesses | recusación de testigos |
| law | impose pecuniary penalties on defaulting witnesses | imponer sanciones pecuniarias a los testigos que no comparezcan |
| patents. | in witness thereof | en fe de lo cual |
| law | in witness whereof | en testimonio de lo cual |
| law | in witness whereof | en fe de lo cual |
| polit., law | indication of the facts about which the witness is to be examined | indicación de los hechos sobre los que serán examinados los testigos |
| social.sc. | Jehovah's Witnesses | Testigos de Jehová |
| polit., law | lack of competence to act as witness or expert | incapacidad de un testigo o de un perito |
| law | long-distance interviewing of witnesses | declaración a distancia |
| law | long-distance interviewing of witnesses | interrogatorio de testigos a distancia |
| law | material witness | testigo material |
| law | material witness | testigo material |
| law | material witness | testigo importante |
| law | material witness | testigo esencial |
| law | material witness an important or essential witness in a case | testigo material |
| polit., law | minutes in which the evidence of each witness is reproduced | acta que recoge la declaración de los testigos |
| law | misconduct of a witness or expert who has concealed facts of falsified evidence | incumplimiento de un testigo o un perito que ha disimulado o falseado la realidad de los hechos |
| law | national law of the witness | legislación nacional de los testigos |
| patents. | no witness shall be deemed guilty of disobedience if... | ningún testigo no esté condenado por causa de desobediencia si ... |
| law | not a proper person to act as witness or expert | indignidad de un testigo o de un perito |
| polit., law | oath taken by the witness | juramento del testigo |
| polit., law | object to a witness or an expert | recusar a un testigo o a un perito |
| law | objection to a witness | recusación de un testigo |
| law | objection to a witness or to an expert | recusación de un testigo o de un perito |
| law | penalty which may be imposed on defaulting witnesses | sanción aplicable a los testigos que no comparezcan |
| patents. | proceed to the examination of witnesses | proceder a la audición de testigos |
| polit., law | proof of certain facts by witnesses | comprobación de determinados hechos mediante examen de testigos |
| law | prosecution witness | testigo que declare contra - |
| law | prosecution witness | testigo de cargo |
| law | prosecution witness | testigo de la fiscalía |
| law | prosecution witness a witness who appears to support the prosecution's argument | testigo de cargo |
| law | reports of perjury by a witness or expert | denuncia de las violaciones del juramento de los testigos y peritos |
| law | resolution on the protection of witnesses | resolución relativa a la protección de los testigos |
| gen. | Resolution on the protection of witnesses in the fight against international organised crime | Resolución relativa a la protección de los testigos en el marco de la lucha contra la delincuencia organizada internacional |
| law | sequestration of witnesses | secuestro de testigos |
| law | statement by witness | declaración de testigo |
| law | to summon witnesses and experts | citar testigos y peritos |
| law | summoning of witnesses and experts | citación de testigos y peritos |
| polit., law | surname, forenames, description and address of the witness | apellidos, nombre, condición y domicilio de los testigos |
| law | tampering with a witness | inducir ilícitamente a un testigo a que altere su testimonio |
| law | tampering with a witness | corromper |
| gen. | The attorney can cross-examine much as he wanted the witnesses | El abogado puede repreguntar tanto como deseé a los testigos |
| law | the hearing of a witness or expert before the Office | la audencia de los testigos o peritos ante la Oficina |
| gen. | The witness claims to know the criminal | El testigo afirma conocer al criminal |
| gen. | The witness confirmed his statement at trial | El testigo ratificó su declaración en el juicio |
| patents. | the witness is biassed against us | el testigo tiene prevenciones contra nosotros |
| patents. | the witness is prejudiced against us | el testigo tiene prevenciones contra nosotros |
| gen. | The witness testified against the defendant | El testigo declaró en contra del acusado |
| law | turncoat witness | testigo disidente |
| law | violation of an oath by a witness or expert | violación del juramento de los testigos y peritos |
| med. | witness'ability to declare | capacidad para declarar |
| law | witness against - | testigo de cargo |
| law | witness against - | testigo que declare contra - |
| law | witness defense | testigo de la defensa |
| comp., MS | witness directory | directorio testigo (A directory that is created and shared on a witness server for use by a database availability group that has an even number of members) |
| comp., MS | witness disk | disco testigo (For a failover cluster, a disk in the cluster storage that is designated to hold a copy of the cluster configuration database. A failover cluster has a witness disk only if this is specified as part of the quorum configuration) |
| comp., MS | witness file share | recurso compartido de archivos testigo (For a failover cluster, a file share in the cluster storage that is designated to hold information about the cluster configuration database. A failover cluster has a witness file share only if this is specified as part of the quorum configuration) |
| law | witness for the defence | testigo de descargo |
| law | witness for the defence | testigo que declare en favor de - |
| law | witness for the defense | testigo de descargo (for the accused) |
| law | witness for the prosecution | testigo de cargo |
| law | witness for the prosecution | testigo que declare contra - |
| tech. | witness hole | orificio de referencia |
| tech. | witness mark | testimonio (pieza maquinada) |
| tech. | witness mark | marca ínidice |
| law | witness on behalf of - | testigo de descargo |
| law | witness on behalf of - | testigo que declare en favor de - |
| mater.sc. | witness point | punto de observación |
| econ. | witness protection | protección de testigos |
| law | witness protection | protección de los testigos |
| comp., MS | witness server | servidor testigo (" In database mirroring, the server instance that monitors the status of the principal and mirror servers and that, by default, can initiate automatic failover if the principal server fails. A database mirroring session can have only one witness server (or "witness"), which is optional.") |
| law | witness stand | banquillo |
| law | witness stand | silla de los testigos |
| law | witness stand the place in the court room for the witness to sit when being questioned | silla de los testigos |
| law | witness summoned by the Court of its own motion | testigo citado de oficio |
| law | witness testimony | declaración del testigo |
| proced.law. | witness to the marriage | testigo del matrimonio |
| polit., law | witness who has been duly summoned | testigo debidamente citado |
| law | witnesses'loss of earnings | pérdida de ingresos de los testigos |
| law | witnesses or experts summoned before the Court | testigos o peritos citados ante el Tribunal de Justicia |
| patents. | witnesses who refuse to give evidence under oath | testigos que niegan de prestar juramento |