1rare, historical The separation of sister chromatids and their movement to opposite poles in anaphase of mitosis.
2The movement of chromosomes to the spindle equator early in metaphase of mitosis.
The property of being metakinetic.
Late 19th century; earliest use found in American Naturalist. From meta- + -kinesis, in sense 1 after German Metakinese; in sense 2 apparently an independent formation.