Definitions for gradateˈgreɪ deɪt
Random House Webster's College Dictionary
gra•dateˈgreɪ deɪt(v.)-dat•ed, -dat•ing.
(v.i.)to pass by gradual degrees, as one color into another.
(v.t.)to cause to gradate.
to arrange in grades.
Origin of gradate:
1745–55; back formation from gradation
arrange according to grades
"These lines are gradated"
pass imperceptibly from one degree, shade, or tone into another
"The paint on these walls gradates but you don't see it"
To change imperceptibly from one gradation of tone etc. to another
To arrange in order of grades
To bring to a certain strength or grade of concentration.
to gradate a saline solution
to grade or arrange (parts in a whole, colors in painting, etc.), so that they shall harmonize
to bring to a certain strength or grade of concentration; as, to gradate a saline solution