transvection

Meanings

1. An epigenetic interaction between an allele on one chromosome and the corresponding allele on the homologous chromosome
2. A kind of linear mapping which leaves all points on one axis fixed, while other points are shifted parallel to the axis by a distance proportional to their perpendicular distance from the axis
3. The act of supernatural flight, such as by a witch.

Etymology

From transvect + -ion. Coined in the genetic sense by Edward B. Lewis in 1954.