Definitions
1.nounA change in nature, form, or quality.
2.nounThe transference of a bodily function or disease to another part of the body, specifically the development of a secondary area of disease remote from the original site, as with some cancers.
3.nounThe spread of a harmful event to another location, like the metastasis of a cancer.
4.nounDenying adversaries' arguments and turning the arguments back on them.