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
made to order
to be made or put together on request
My father decided to buy a new computer desk that was made to order.