👉 The term "cleistothecium" is a Greek word that means "butterfly" or "caterpillar." It refers to a type of water droplet that is often seen in nature, especially when it falls from a fallen leaf. This water droplet is made up of two layers: the outermost layer is typically composed of water and the innermost layer is made up of a substance called carbon dioxide and nitrogen gas (carbon monoxide). The term "cleistoth
