👉 In physics and chemistry, a stenotropic substance is a substance that has no absorption of light at all. This means that it doesn't absorb any visible light or infrared radiation, making it invisible to the human eye. The name "stenotropic" comes from the Greek word "stenos," which means "without" in Latin, suggesting that this substance does not have any specific color or pattern. For example, a stenotropic substance might be water (H2O), as its
