speciation

noun — 3 senses

speciation

noun

/ˌspi.siˈeɪ.ʃən/ · /ˌspi.ʃiˈeɪ.ʃən/

Etymology From speciate + -ion.

1

Biology, Natural sciences, Taxonomy Usually The process by which new distinct species evolve.

  • In both groups, however, we find copious and intricate speciation so that, often, species limits are narrow and ill defined.1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 3:
  • No one had ever seen a new species produced, nor, according to Darwin, should they expect to. Speciation was so drawn out as to be, for all intents and purposes unobservable.2014, Elizabeth Kolbert, The Sixth Extinction: An Unnatural History, Picador, →ISBN, page 55:
2

Chemistry, Natural sciences, Physical sciences Usually The formation of different (inorganic) species (especially of ions) as the environment changes.

3

Medicine, Pathology, Sciences Usually The determination of which species are present in a fluid or tissue specimen, bacterial culture, or viral culture.

  • requirements specifying speciation and serotyping in addition to reporting of presence or absence
Antonyms
despeciation
Derived terms
cospeciation, hybrid speciation, microspeciation, pseudospeciation, speciational, speciation event, subspeciation
Related terms
specialization, allochronic, allopatric, parapatric, peripatric, sympatric

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.