photomorphogenesis

noun

the regulatory effect of light on the growth, development and differentiation of plant cells, tissues and organs

Opposite
skotomorphogenesis
OriginEnglish morphogenesis ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos →
Scrabble 31
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Meanings

nounphotomorphogenesis (uncountable)
  1. uncountablebiologythe regulatory effect of light on the growth, development and differentiation of plant cells, tissues and organs

Synonyms & antonyms

Opposite
skotomorphogenesis
Also see
photomorphology

Origin

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Ancient Greekφωτο- (phōto-)
  7. Englishphoto-
  8. Englishmorphogenesis
  9. Englishphotomorphogenesis

From photo- + morphogenesis.

Full word history & related roots →
Cite this entry
APA

photomorphogenesis. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/photomorphogenesis

MLA

“photomorphogenesis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photomorphogenesis. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “photomorphogenesis,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/photomorphogenesis.

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