The type of lipid formed when a glycerol combines with fatty acids through dehydration synthesis is called a triglyceride.

Here's a breakdown:

* Glycerol: A three-carbon alcohol with a hydroxyl group (OH) attached to each carbon.

* Fatty acids: Long chains of hydrocarbons with a carboxyl group (COOH) at one end.

* Dehydration synthesis: A chemical reaction where water is removed to join two molecules together.

In triglyceride formation, three fatty acid molecules react with one glycerol molecule. For each reaction, a water molecule is removed, and an ester linkage forms between the glycerol and fatty acid. This process repeats three times, resulting in a triglyceride molecule.

Key points about triglycerides:

* They are the most common type of lipid in the body.

* They are important for energy storage.

* They provide insulation and protection.

* They are found in fats and oils.