nuclein

English

Etymology

From German Nuclein, corresponding to nucleus +‎ -in.

Pronunciation

  • (UK) IPA(key): /ˈnjuːklɪɪn/

Noun

nuclein (plural nucleins)

  1. (biochemistry) A phosphorus-rich protein found in the nucleus of a cell, later specifically nucleohistone or nucleoprotamine; also, any similar compound present in the cell nucleus. [from 19th c.]
    • 2003, Bill Bryson, A Short History of Nearly Everything, BCA 2003, p. 354:
      While delving microscopically through the pus in surgical bandages, Miescher found a substance he didn't recognize and called it nuclein (because it resided in the nuclei of cells).

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