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]
Hayden P dated 1  â. Stephen Colletti (October 2006 â September 2008) â They dated from 2006 to 2008. 2  Evan Ross (2007) â RUMOR. 3  Milo Ventimiglia (December 2007 â February 2009) â She dated her Heroes co-star Milo for a year. 4  Jesse McCartney (2009) â RUMOR. 5  Steve Jones (2009) â They had a fling together in May 2009.