noun. the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle.
1. Noun, singular or mass If the duplicate chromosomes do not pair properly at the metaphase plate, they will not move properly to each pole during anaphase. 2. Verb, base form If both of the spindles on any of the chromosomes are from the same centrosome, that also will prevent the cell from moving forward to anaphase.