polysomatismn.
/ˌpɒlɪˈsəʊmətɪz(ə)m/, U.S. /ˌpɑliˈsoʊməˌtɪz(ə)m/ 1. Genetics. = polysomaty n.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > ploidy
triploidy1916
tetraploidy1918
haploidy1921
hexaploidy1922
polyploidy1922
octoploidy1924
aneuploidy1925
heteroploidy1926
allopolyploidy1927
autopolyploidy1928
hyperdiploidy1929
polysomy1929
hyperploidy1930
hypoploidy1930
mixoploidy1931
syndiploidy1932
allotetraploidy1933
autotetraploidy1935
monoploidy1937
polysomaty1937
ploidy1940
pseudodiploidy1965
polysomatism1967
1967 Amer. Jrnl. Bot. 54 963/1 Polysomatism is a phenomenon evidently widespread among plants.
1987 Jrnl. Heredity 78 51 With excellent preparation of the slides, observations of polysomatism and possible occurrence of somatic chromosome association in..diploid root tips were possible.
2. Mineralogy. The property of being polysomatic (polysomatic adj. 1b).
ΚΠ
1978 J. B. Thompson in Amer. Mineralogist 63 243/2 A series such as the humites (including olivine) or any of several among the biopyriboles can be called a polysomatic series, and the phenomenon polysomatism.
1995 Science 12 May 860/1 Most natural antogorite is characterized by imperfections. polysomatism, and structural disorder.
2001 European Jrnl. Mineral. 13 485 The pressure and temperature dependence of antigorite polysomatism was investigated.
This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).
<
n.1967