the act of changing in form or shape or appearance | passing from a more complex to a simpler biological form |
(genetics) modification of a cell or bacterium by the uptake and incorporation of exogenous DNA | the process of declining from a higher to a lower level of effective power or vitality or essential quality |
a rule describing the conversion of one syntactic structure into another related syntactic structure | the state of being degenerate in mental or moral qualities |
a qualitative change | |
(mathematics) a function that changes the position or direction of the axes of a coordinate system | |