succedaneum
noun
suc·ce·da·ne·um ˌsək-sə-ˈdā-nē-əm 
plural succedaneums or succedanea ˌsək-sə-ˈdā-nē-ə
: substitute
succedaneous
ˌsək-sə-ˈdā-nē-əs
adjective 
Word History
Etymology
New Latin, from Latin, neuter of succedaneus substituted, from succedere to follow after
First Known Use
1641, in the meaning defined above
Medical Definition
succedaneum
see caput succedaneum