punctuationismn.
/ˌpʌŋ(k)tʃʊˈeɪʃn̩ɪz(ə)m/, /ˌpʌŋ(k)tjʊˈeɪʃn̩ɪz(ə)m/, /ˌpʌŋ(k)tʃʊˈeɪʃənɪz(ə)m/, /ˌpʌŋ(k)tjʊˈeɪʃənɪz(ə)m/, U.S. /ˌpəŋ(k)(t)ʃəˈweɪʃ(ə)ˌnɪz(ə)m/ Biology.
(Belief in or advocacy of) the evolutionary theory of punctuated equilibrium (punctuated equilibrium at punctuated adj. 3).
ΘΚΠ
the world > life > biology > theories > [noun] > of genetics or evolution
theory of preformation1756
Darwinizing1807
development hypothesis1845
generationism1847
theory of evolution1858
Darwinism1860
Darwinianism1861
monogenesis1864
monogenism1865
monogeny1865
pangenesis1868
evolutionism1869
phylogeny1869
polygenism1871
derivation1874
phylogenesis1875
transformism1878
biogenetic law1879
gastraea theory1879
fortuitism1881
organicism1883
hereditism1884
kinetogenesis1884
Lamarckianism1884
Lamarckism1884
neo-Lamarckianism1884
monogenesy1885
neo-Lamarckism1887
preformationism1890
neo-Darwinism1891
blastogenesis1893
Haeckel-ismus1894
Weismannism1894
preformism1895
Haeckelism1899
mutation theory1902
directivity1903
Mendelianism1903
Mendelism1903
hereditarianism1906
mutationism1912
selectionism1912
hologenesis1931
parsimony1931
Morganism1934
Lysenkoism1948
neutralism1972
punctuated equilibrium1972
saltationism1975
punctuationism1977
punctuationalism1978
adaptationism1980
geneticism1984
adaptationalism1985
1977 N. Eldredge & S. J. Gould in Paleobiology 3 146 Information theory..provides a goldmine of metaphor for advocates of punctuationism.
1996 G. D. Snooks Dynamic Society iv. 68 In ‘punctuationism’ the normal condition is stasis or equilibrium punctuated from time to time by unsystematic random events.
2004 D. R. Wallace Beasts of Eden xviii. 198 Punctuationism can certainly apply to mammals, as Gould's essay on fossil horses shows.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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n.1977