* ml stands for milliliter.

* It's a small unit of volume, commonly used for liquids.

To give you a better idea of how much 12 ml is:

* A teaspoon holds about 5 ml. So, 12 ml is about 2.4 teaspoons.

* A standard medicine dropper holds about 1 ml. 12 ml is equivalent to 12 droppers full.

It's important to note that 12 ml can be a large or small amount depending on what you're measuring.