From Citizendium, the Citizens' Compendium
- standard language: Versatile variety of a language that is able to perform the highest functions for communication in a society, that serves as a reference and that represents the whole language beyond its dialects.
- Standard (mathematics): Add brief definition or description
- Standard Model: A mathematical theory that describes the weak, electromagnetic and strong interactions between leptons and quarks, the basic particles of particle physics.
- standard time: Local time expressed in hours ahead or behind either Greenwich Mean Time or Coordinated Universal Time (UTC).