Definition of fluoride for English Language Learners. : a chemical that is sometimes added to drinking water and toothpaste to help keep teeth healthy.
Fairfax is an incorporated town in Marin County, California, United States. Fairfax is located 3.25 miles (5.2 km) west-northwest of San Rafael, at an elevation of 115 feet (35 m). The population is 7,441 at the 2010 census. Fairfax is the only town in America that holds a Green Party majority in the town council.
General Fairfax Information Osage County where Fairfax resides is 2,303.8 square miles. The resident population of this county is 44,437 and has a population rank of 1,009 out of all the places in the United States. Fairfax has a total of 1,555 people and of those residents there are 709 males and 846 females.