The challenge here is that there is no one official definition of democracy. (politics.stackexchange.com)
To make sure monitoring and modeling of the globe's biggest bodies of water stay accurate, UNESCO's Intergovernmental Oceanographic Commission (IOC) has adopted a new official definition for seawater. (scientificamerican.com)
The Australian Government uses official definitions of blended families and stepfamilies for gathering statistics and surveying trends in Australian households and families. (raisingchildren.net.au)