Lactic (adjective)

Relating to, derived from, or produced by milk or lactose.

Origin:

From the latin word lactis, which means "milk".

Examples:

1. Lactic acid is an organic acid found in sour milk.
2. The lactic bacteria are used to make yogurt.
3. Lactic fermentation is a process that produces lactic acid.
4. The lactic acid in the muscles causes fatigue.
5. The lactic cheeses are made from milk.