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

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  • 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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    /ˌfəʊtəʊˈtaɪpˌsɛt/ verb -sets, -setting, -set 1. (transitive) to set (type matter) by phototypesetting

  • Phototypography

    [foh-toh-tahy-pog-ruh-fee] /ˌfoʊ toʊ taɪˈpɒg rə fi/ noun 1. (formerly) the art or technique of making printing surfaces by light or photography, by any of a large number of processes. 2. . /ˌfəʊtəʊtaɪˈpɒɡrəfɪ/ noun 1. any printing process involving the use of photography


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