Of or relating to the replacement of three of several atoms or groups in a compound, such as an amine in which three valences of the functional group are taken by carbon atoms. c. Of or relating to salts of acids containing three replaceable hydrogen atoms.
Hayden is a town in Blount County, Alabama, United States. At the 2010 census the population was 444.[3]
Limestone County is a county of the U.S. state of Alabama. As of the 2010 census, the county's population was 82,782. Its county seat is Athens. Its name comes from Limestone Creek, a local stream.