Definition of allochronic in US English:

allochronic

adjective

Biology
  • 1Of species, populations, features, etc.: existing or arising at different periods of geological time.

  • 2Of speciation: occurring as a result of the development of different breeding seasons in populations which are not geographically separated; (of organisms) breeding or flourishing at different seasons.

Origin

1940s; earliest use found in Ernst Mayr (1904–2005), evolutionary biologist. From allo- + -chronic.

Pronunciation

allochronic

/ˌaləˈkrɒnɪk/