photoorientation en · NOUN
Etymology
From photo- + orientation.
Meanings
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(uncountable) The process of aligning molecules or living organisms using light.
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 4, page 521:Orientation film is a key material in liquid crystal displays,and the technology of inducing liquid crystal molecularorientation through polyimide photoorientation film is widely studied.
2024 June, Ji Li, Zhifu Li, Jie Chen, Yongchao Zhao, Binbin He, Ting Zhao, Shuang Lu, Guozhong Wang, “P-187: Pretilt angle of liquid crystal molecules induced by photo-aligned films of Polymerized 2-(methacrylic acid) ethyl 3,5-diaminobenzoic acid reaction monomer polyimide for PSVA technology”, in SID Symposium Digest of Technical Papers, volume 55, number 1: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: