Definition of pseudostratification in US English:

pseudostratification

noun

  • 1Geology. A structure in which an appearance of stratification has been produced by a process other than sedimentary deposition, e.g. in an igneous rock as a result of parallel fractures.

  • 2Histology. The apparent formation of layers in a single layer of epithelial cells caused by irregular distribution of the nuclei relative to one another.

Origin

Mid 19th century; earliest use found in Spencer Baird (1823–1887), zoologist and scientific administrator. From pseudo- + stratification.

Pronunciation

pseudostratification

/ˌs(j)uːdəʊˌstratɪfɪˈkeɪʃn/