Movement of molecules through a semipermeable membrane is known as

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Terms**:
- A semi-permeable membrane is a barrier that allows certain molecules to pass through while blocking others. This is crucial in biological systems for maintaining homeostasis.

2. **Defining the Movement**:
- The movement of molecules through a semi-permeable membrane typically involves the movement of water or solutes. This process can occur in different ways, but the specific term we are looking for is related to the movement of water.

...