The institution, in modern slang, differentiated as time went on.
"English Literature and Society in the Eighteenth Century"
Leslie Stephen
It presented the same array of damning facts, pointing straight to the inevitable conclusion of the Phantom's guilt, yet, between the lines, he sensed an elusive quality that differentiated it from the others.
"The Gray Phantom's Return"
Herman Landon
On one distant planet this substance was already differentiated and specialized to a high degree.
"Eight Keys to Eden"
Mark Irvin Clifton