Definition Game

[moe.ron]

Give definition, next person give the word. I'll start

The limiting value of the ratio of the change in a function to the corresponding change in its independent variable.

[Senusret I]

derivative

*****

a histopathologic lesion of brain tissue that is characteristic of Alzheimer's disease and consists of a dense proteinaceous core composed primarily of beta-amyloid that is often surrounded and infiltrated by a cluster of degenerating axons and dendrites

[modorney]

plaques ?

[Senusret I]

Yes, plaque! Now your turn!