Phototactic



[foh-tuh-tak-sis] /ˌfoʊ təˈtæk sɪs/

noun, Biology.
1.
movement of an organism toward or away from a source of light.
/ˌfəʊtəʊˈtæksɪs/
noun
1.
the movement of an entire organism in response to light

phototaxis pho·to·tax·is (fō’tō-tāk’sĭs)
n.
The movement of an organism or a cell toward or away from a source of light.
pho’to·tac’tic (-tāk’tĭk) adj.

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  • Phototaxis

    [foh-tuh-tak-sis] /ˌfoʊ təˈtæk sɪs/ noun, Biology. 1. movement of an organism toward or away from a source of light. /ˌfəʊtəʊˈtæksɪs/ noun 1. the movement of an entire organism in response to light phototaxis pho·to·tax·is (fō’tō-tāk’sĭs) n. The movement of an organism or a cell toward or away from a source of light. pho’to·tac’tic (-tāk’tĭk) adj.

  • Phototelegraphy

    [foh-toh-tuh-leg-ruh-fee] /ˌfoʊ toʊ təˈlɛg rə fi/ noun 1. (def 2a).



  • Phototheodolite

    [foh-toh-thee-od-l-ahyt] /ˌfoʊ toʊ θiˈɒd lˌaɪt/ noun 1. an optical tracking instrument consisting of a camera and mounted on a single tripod, used in photogrammetry and in tracking rockets.

  • Phototherapeutics

    [foh-tuh-ther-uh-pyoo-tiks] /ˌfoʊ təˌθɛr əˈpyu tɪks/ noun, (used with a singular verb) 1. the branch of that deals with the curative use of light rays.



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