👉 Hygroscopic refers to a substance that has a high degree of attraction towards water. This property is often associated with materials like cornstarch, which can absorb moisture and swell when wetted by water. In other words, it's like a material that won't let water out of its pores, even if you were to rub or scratch it. The term "hygroscopic" comes from the Greek word "hyllo," meaning "water."
