What is another word for Heliochrome?
Pronunciation: [hˈɛlɪˌɒkɹə͡ʊm] (IPA) 
Heliochrome is a term rarely used nowadays, and a few synonyms are available to describe this phenomenon. The closest term to heliochrome is "solarization", which refers to the act or process of being affected by solar or ultraviolet radiation. Another alternative is "actinism", which means the capacity of light to produce chemical reactions. "Phototropism" and "photophobia" are also related to the effects of light on living beings, where the former denotes the response of plants to sunlight, while the latter describes the discomfort or fear that bright light inspires in some people. Essentially, all of these words refer to the power of light to affect and change the environment.
