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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[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
- Phototypeset
/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