speciation
See also: spéciation
English edit
Etymology edit
Pronunciation edit
- IPA(key): /ˌspi.siˈeɪ.ʃən/, /ˌspi.ʃiˈeɪ.ʃən/
Audio (US) (file) - Rhymes: -eɪʃən
- Hyphenation: spe‧ci‧a‧tion
Noun edit
speciation (usually uncountable, plural speciations)
- (taxonomy) The process by which new distinct species evolve.
- 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, page 3:
- In both groups, however, we find copious and intricate speciation so that, often, species limits are narrow and ill defined.
- 2014, Elizabeth Kolbert, The Sixth Extinction: An Unnatural History, Picador, →ISBN, page 55:
- 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.
- (chemistry) The formation of different (inorganic) species (especially of ions) as the environment changes.
- (medicine, pathology) 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 edit
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Translations edit
biology
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chemistry
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See also edit
types of speciation