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Phototropic

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• Phototropism

  [foh-to-truh-piz-uh m, foh-toh-troh-piz-uh m] /foʊˈtɒ trəˌpɪz əm, ˌfoʊ toʊˈtroʊ pɪz əm/ noun, Botany. 1. phototropic tendency or growth. /ˌfəʊtəʊˈtrəʊpɪzəm/ noun 1. the growth response of plant parts to the stimulus of light, producing a bending towards the light source 2. the response of animals to light; phototaxis n. 1899, from German phototropie (1892), from photo- […]

• Phototropy

  /ˌfəʊtəʊˈtrəʊpɪ/ noun (chem) 1. an alteration in the colour of certain substances as a result of being exposed to light of different wavelengths 2. the reversible loss of colour of certain dyestuffs when illuminated at a particular wavelength

• Phototube

  [foh-tuh-toob, -tyoob] /ˈfoʊ təˌtub, -ˌtyub/ noun, Electronics. 1. an with a photosensitive cathode, used like a photocell. /ˈfəʊtəʊˌtjuːb/ noun 1. a type of photocell in which radiation falling on a photocathode causes electrons to flow to an anode and thus produce an electric current

• Phototype

  [foh-tuh-tahyp] /ˈfoʊ təˌtaɪp/ noun, Printing. 1. a plate with a relief printing surface produced by photography. 2. any process for making such a plate. 3. a print made from it. /ˈfəʊtəʊˌtaɪp/ noun 1. verb 2. (transitive) to reproduce (an illustration) using a phototype

• Phototypesetting

  [foh-toh-tahyp-set-ing] /ˌfoʊ toʊˈtaɪpˌsɛt ɪŋ/ noun 1. Printing. . /ˌfəʊtəʊˈtaɪpˌsɛtɪŋ/ noun 1. (printing) another word for photocomposition

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