dephosphorylation
noun
de·phos·phor·y·la·tion (ˌ)dē-ˌfäs-fȯr-ə-ˈlā-shən 
: the process of removing phosphate groups from an organic compound (such as ATP) by hydrolysis
also : the resulting state
dephosphorylate
(ˌ)dē-fäs-ˈfȯr-ə-ˌlāt
transitive verb 
Word History
First Known Use
1931, in the meaning defined above
Medical Definition
dephosphorylation
noun
de·phos·phor·y·la·tion (ˌ)dē-ˌfäs-ˌfȯr-ə-ˈlā-shən
: the process of removing phosphate groups from an organic compound (as ATP) by hydrolysis
also : the resulting state