n.
1.a qualitative change
2.(mathematics) a function that changes the position or direction of the axes of a coordinate system
3.a rule describing the conversion of one syntactic structure into another related syntactic structure
4.(genetics) modification of a cell or bacterium by the uptake and incorporation of exogenous DNA
5.the act of changing in form or shape or appearance
Idiom of the Day
in due course
in the usual amount of time, at the right time
We will send the information to you in due course.
