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[foh-toh-bahy-ol-uh-jee] /ˌfoʊ toʊ baɪˈɒl ə dʒi/

the study of the effects of light on biological systems.
the branch of biology concerned with the effect of light on living organisms

photobiology pho·to·bi·ol·o·gy (fō’tō-bī-ŏl’ə-jē)
The study of the effects of light on living organisms and biological processes.
pho’to·bi’o·log’ic (-bī’ə-lŏj’ĭk) or pho’to·bi’o·log’i·cal (-ĭ-kəl) adj.


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  • Photobomb

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  • Photocard

    /ˈfəʊtəʊˌkɑːd/ noun 1. an identity card containing a photograph of the bearer noun an identification card with one’s personal photo on it Usage Note British

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