IPA: //ˌfoʊtəʊˈpɒzɪtɪv//
KK: /ˌfoʊtoʊˈpɒzɪtɪv/
Describing an organism or cell that is attracted to light or shows a positive response to light.
The photopositive plants grew towards the sunlight in the garden.
Photopositive → It is formed from "photo-" (from Greek "phōs", meaning light) and "positive" (from Latin "positus", meaning placed or positioned). The word describes something that is positively responsive to light.
Think of 'light' ('photo-') and something that is 'positively responsive' ('positive') to it — that's what photopositive means.