succedaneum

Succedaneum for Chrysarobin; very active reducer or "reactive."

Give us rather any succedaneum that will move us, will delight us.

How very poor a succedaneum for fresco painting is Gobelius tapestry!

His moral lectures and advice to me formed a most important succedaneum to those imparted by my parents.

Now the grace of God is not to be set aside in this way; it refuses to be treated as a mere succedaneum of human virtue.