Definition of "fluoride" []

• A binary compound of fluorine with another element. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Scientists say extra fluoride is likely to have at least a small additional effect on enamel — but more research is needed."
• "They spent about three years studying it and determined that the current "safe" drinking water standard of 4 ppm (parts per million) set by the Environmental Protection Agency (EPA) for fluoride is too high and should be lowered."
• ""We now have 23 studies from four different countries -- Mexico, Iran, India and China -- which indicate that moderate exposure to fluoride is lowering I.Q. in children," Connett says."