Definition of nucleal in English:

nucleal

adjective

  • 1Central in importance; pivotal, seminal.

  • 2Biology. Designating Feulgen's method for staining material in the nuclei of cells, or the reaction on which it is based.

Origin

Early 19th century; earliest use found in Samuel Taylor Coleridge (1772–1834), poet, critic, and philosopher. From nucleus + -al. Compare nuclear.

Pronunciation

nucleal

/ˈnjuːklɪəl/