Word.ws English Dictionary

photoorientation

photoorientation noun: the process of aligning molecules or living organisms using light.

Noun

photoorientation (uncountable)

  1. The process of aligning molecules or living organisms using light.
    • The term photoorientation is used here to include all types of movement which tend to bring living organisms into geometrical relation with light fields in which they find themselves.1954 December, Harold F. Blum, “Photoorientation and the "Tropism Theory"”, in The Quarterly Review of Biology, volume 29, number 4, page 307
    • Photoorientation of chloroplasts from profile to face position in Mougeotia can be controlled in two ways.1991 August, Z. Lechowski, J. Bialczyk, “The Action Spectrum of Far-Red Light in Interaction with Orange Light on Orientation of Chloroplasts in Mougeotia”, in The New Phytologist, volume 118, number...

Origin of photoorientation

From photo- + orientation.

Questions about photoorientation

What does photoorientation mean?
Photoorientation means the process of aligning molecules or living organisms using light.
What part of speech is photoorientation?
Photoorientation is a noun.

Words near photoorientation in the dictionary

  1. photoorganoheterotrophs
  2. photoorganotroph
  3. photoorganotrophic
  4. photoorganotrophically
  5. photoorganotrophs
  6. photoorientation
  7. photooxidant
  8. photooxidants
  9. photooxidase
  10. photooxidases
  11. photooxidation

Source and license

Adapted from Wiktionary: photoorientation (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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