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]
Black and White photographic view of the Pike County Courthouse in Troy, AL. White two-story building with arch-shaped entrances. Columns across porch area on second floor. Steeple on roof with large clock. Tall, thin windows on first and second story. Automobiles parked in front and side of building.