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]
Pike County, Alabama. Pike County is a county of the U.S. state of Alabama. As of the 2010 census the population was 32,899. Its county seat is Troy. Its name is in honor of General Zebulon Pike, of New Jersey, an explorer who led an expedition to southern Colorado and discovered Pikes Peak in 1806. Pike County comprises the Troy, AL Micropolitan Statistical Area.