单词 | phototropy |
释义 | phototropy in British English (ˌfəʊtəʊˈtrəʊpɪ) noun chemistry 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 Examples of 'phototropy' in a sentence |
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