What is the definition of a milileter?

A milliliter (mL) is a unit of volume in the metric system. It is defined as one-thousandth of a liter (L).

Here's a breakdown:

* 1 liter (L) = 1000 milliliters (mL)

* 1 milliliter (mL) = 0.001 liters (L)

It's a common unit used for measuring liquids, but can also be used for measuring solids and gases.