Eurovoc, the EU's multilingual thesaurus

  1. oak USE deciduous tree
  2. OAMCE USE African and Mauritian Common Organisation
  3. OAPEC USE Organisation of Arab Petroleum Exporting Countries
  4. OAS USE Organisation of American States
  5. OAS countries
  6. oats
  7. OAU USE African Union
  8. OAU USE African Union
  9. Obalno-kraška
  10. obesity USE nutritional disease
  11. objections to an election result
  12. objet d'art USE work of art
  13. obligations of civil servants USE duties of civil servants
  14. observation
  15. observation technique USE observation
  16. observer
  17. observer status USE observer
  18. obsolescence of qualifications USE skill obsolescence
  19. obsolete qualification USE skill obsolescence
  20. obsolete technique USE obsolete technology
  21. obsolete technology
  22. obstacle to development
  23. obstacle to trade USE trade restriction
  24. obstetrics USE gynaecology
  25. OCAS USE Central American Integration System
  26. OCAS USE Central American Integration System
  27. OCAS countries USE CAIS countries
  28. OCCAR USE European arms policy
  29. occupation forces USE military occupation
  30. occupational accident
  31. occupational accident insurance
  32. occupational disablement USE incapacity for work
  33. occupational disease
  34. occupational environment USE working environment
  35. occupational hazard USE occupational safety
  36. occupational health
  37. occupational hygiene USE occupational health
  38. occupational medicine
  39. occupational migration
  40. occupational mobility USE job mobility
  41. occupational mortality
  42. occupational pension USE pension scheme
  43. occupational physiology
  44. occupational psychology
  45. occupational relations USE labour relations
  46. occupational retraining USE vocational retraining
  47. occupational safety
  48. occupational satisfaction USE job satisfaction
  49. occupational status
  50. Occupied Palestinian Territory USE autonomous territories of Palestine
  51. occupied territory
  52. ocean
  53. Oceania
  54. oceanography
  55. oceanology USE oceanography
  56. OCR USE optical character recognition
  57. OCT USE overseas countries and territories
  58. OECD
  59. OECD countries
  61. offal
  62. offence
  63. offer price
  64. offer to exchange shares USE takeover bid
  65. offering for sale USE sale
  66. office automation
  67. office equipment
  68. Office for Harmonization USE Office for Harmonization in the Internal Market
  69. Office for Harmonization in the Internal Market
  70. Office for Harmonization in the Internal Market (Trade Marks and Designs) USE Office for Harmonization in the Internal Market
  71. Office for Humanitarian Aid USE ECHO
  72. Office for Official Publications of the European Communities USE Publications Office
  73. Office of the High Commissioner for Human Rights USE UN High Commissioner for Human Rights
  74. Office of the UN High Commissioner for Refugees USE UNHCR
  75. Office of the United Nations High Commissioner for Refugees USE UNHCR
  76. office park USE business park
  77. office supplies
  78. office technology USE office automation
  79. office worker
  80. official buying USE public contract
  81. official document
  82. Official Journal
  83. Official Journal of the European Union USE EU Official Journal
  84. official language
  85. official market
  86. official publication USE official document
  87. official seal
  88. official stamp USE official seal
  89. official statistics
  90. official visit
  91. official yearbook USE yearbook
  92. offset USE printing
  93. offshore drilling
  94. offshore drilling machinery USE offshore structure
  95. offshore equipment USE offshore structure
  96. offshore oil
  97. offshore structure
  98. offshoring
  99. OHCHR USE UN High Commissioner for Human Rights
  100. OHIM USE Office for Harmonization in the Internal Market
  101. OIE USE World Organisation for Animal Health
  102. oil by-products USE petroleum product
  103. oil cake USE manufactured feedingstuffs
  104. oil company USE oil industry
  105. oil crop
  106. oil extraction USE extraction of oil
  107. oil industry
  108. oil industry
  109. oil mill
  110. oil pipeline
  111. oil platform USE offshore structure
  112. oil pollution
  113. oil production USE petroleum production
  114. oil prospecting USE petroleum exploration
  115. oil refinery USE oil refining
  116. oil refining
  117. oil reserves USE oilfield
  118. oil rig USE offshore structure
  119. oil seed USE oleaginous plant
  120. oil seed rape
  121. oil slick USE oil pollution
  122. oil spill USE oil pollution
  123. oil substitute USE substitute fuel
  124. oil tanker USE tanker
  125. oil technology
  126. oil terminal USE storage of hydrocarbons
  127. oil-burning power station USE power plant
  128. oilfield
  129. OLAF USE European Anti-fraud Office
  130. old age USE elderly person
  131. old age pension USE pension scheme
  132. old people's home USE social facilities
  133. old person USE elderly person
  134. older worker
  135. oleaginous plant
  136. olefin USE hydrocarbon
  137. oligarchy
  138. oligopoly
  139. oligopsony
  140. olive
  141. olive oil
  142. olive residue USE olive
  143. olive-growing
  144. Olomouc
  145. Olt
  146. Olympic games
  147. Oman
  148. ombudsman USE mediator
  149. OMC USE open method of coordination
  150. on line data service
  151. on-line system USE information system
  152. on-the-job training USE in-service training
  153. one person household
  154. one-armed bandit USE automatic game
  155. one-man business USE sole proprietorship
  156. one-parent family
  157. one-party system
  158. onion USE bulb vegetable
  159. online administration USE electronic government
  160. online commerce USE electronic commerce
  161. only child
  162. onus of proof USE proof
  163. oocyte donation USE test tube fertilisation
  164. OPCW USE Organisation for the Prohibition of Chemical Weapons
  165. OPEC
  166. OPEC countries
  167. open ballot
  168. open consultation USE public consultation
  169. open debate USE public consultation
  170. open discussion USE public consultation
  171. open hearth furnace USE furnace
  172. open market
  173. open method of coordination
  174. open prison USE penal institution
  175. open systems interconnection USE systems interconnection
  176. open university
  177. open warehouse USE customs warehouse
  178. open-access school USE new educational methods
  179. open-cast pit USE mining operation
  180. open-market operations USE liquidity control
  181. open-market policy USE liquidity control
  182. opening hours USE trading hours
  183. opening of negotiations USE international negotiations
  184. opening of tariff quota USE tariff quota
  185. opera USE performing arts
  186. operating account USE trading account
  187. operating cost
  188. operating costs USE overheads
  189. operating result
  190. operating system
  191. operation of the Institutions
  192. operational expenditure
  193. operational programme
  194. operational research USE management techniques
  195. ophthalmopathy USE eye disease
  196. opinion
  197. opinion of the Commission USE EC opinion
  198. opinion of the Committee of the Regions USE CoR opinion
  199. opinion of the Council USE EC opinion
  200. opinion of the Court of Auditors