etiolin

E1T1I1O1L1I1N1

noun

A yellow pigment in plants grown without sufficient light; a precursor of chlorophyll.

Scrabble 7

Meanings

nounetiolin (usually uncountable, plural etiolins)

plural etiolins

  1. archaicuncountableusuallybiochemistryA yellow pigment in plants grown without sufficient light; a precursor of chlorophyll.

    The formation of a yellow pigment in small grains in the cells of plant structures grown in the dark has long been recognised. The pigment was known to be soluble in alcohol and was called "etiolin" by Pringsheim (1874) because it occurred in etiolated structures.

    1924, Katherine Hope Coward, “The lipochromes of etiolated wheat seedlings”, in Biochemical Journal, volume 18.5, page 1123

Origin

  1. GermanEtiolin
  2. Englishetiolin

From German Etiolin; etiolate + -in.

Full word history & related roots →
Cite this entry
APA

etiolin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/etiolin

MLA

“etiolin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/etiolin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “etiolin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/etiolin.

Source: etiolin on Wiktionary, CC BY-SA 4.0.