PRO

PRO or Pro may refer to

Language

• Professional, abbreviation
  • e.g. many products are marketed described as Pro (or Professional), implying superiority
• PRO (linguistics) ("big PRO"), an empty category occupying the subject position in non-finite clauses
• pro (linguistics) ("little pro"), an empty category taking the place of a subject pronoun in pro-drop languages

Science & Computer

• Proline, an amino acid
• Pressure-retarded osmosis, separation of a solvent from a pressurised and concentrated solution
• PRO (category theory), a construction in mathematics
• Patient-reported outcome, in clinical trials
• .pro, a generic top-level Internet DNS domain
• Pro theme, a visual style designed for professional-grade software for Mac OS X
• pro-, a suffix used in taxonomy

Persons

• Public relations officer, corporate communications officer
• Pro Hart (1928–2006), Australian painter nicknamed "Pro" for "professor"
• Derek Minor, a hip-hop artist formerly known as PRo
• Prostitute, slang abbreviation

Groups and organizations

• Partido Progresista de Chile, (Progressive Party), known as PRO, a political party in Chile
• Pasadena Roof Orchestra, a contemporary band from England
• Pensionärernas riksorganisation, the Swedish National Pensioners’ Organisation
• Performance rights organisation
• Producer Responsibility Organisation
• Professional Referee Organization, the referee program in professional soccer leagues in the United States and Canada
• Propuesta Republicana (Republican Proposal), known as PRO, a political party in Argentina
• Provincial Research Organization, a Canadian applied-research organisation
• Public Record Office, predecessor of the UK National Archives
• Partei Rechtsstaatlicher Offensive (Party for a Rule of Law Offensive), a former political party in Germany

See also

• All pages beginning with "pro"
• All pages with titles containing pro
• All pages with titles containing pro-
• Con (disambiguation)
• EPRO (disambiguation)
• Pro-Nav
• The Pro (disambiguation)