Definition of prometaphase in US English:

prometaphase

noun

Genetics Biology
  • The stage in mitotic or meiotic nuclear division, following prophase and preceding metaphase, during which the condensed chromosomes become sequentially attached at their kinetochores to the spindle microtubules.

Origin

1930s. From pro- + metaphase.

Pronunciation

prometaphase

/prəʊˈmɛtəfeɪz/