The transfer of a contaminant from one source to another.

To transfer a contaminant from one source to another.

Of or pertaining to two or more political parties.

Alternative spelling of crosstalk

Alternative form of cross-examine

plural of cross examination

Alternative form of cross-examination

Alternative spelling of fingers crossed (“hopefully, wishfully”)

A superstitious hand gesture of good luck.

To wear clothes typically associated with the opposite sex. / (immunology) To display on the surface of a dendritic cell antigens produced by a different cell.