Bicarbonate (noun)

1. A salt or chemical compound containing two parts carbon and one part oxygen, typically found in the form of sodium bicarbonate, commonly known as baking soda.
2. A compound produced in the body by the pancreas to neutralize acid in the stomach and regulate pH levels.

Origin:

The word 'bicarbonate' originated in the early 19th century and is derived from the prefix 'bi' meaning two, and the word 'carbonate' which refers to a salt containing carbon and oxygen.

Examples:

1. The bicarbonate was used as a leavening agent in baking to make the batter rise.
2. The bicarbonate was added to the swimming pool to regulate the pH levels and keep the water safe for swimming.
3. The bicarbonate was an important component in the process of neutralizing acid in the stomach and reducing heartburn.
4. The bicarbonate was an effective cleaning agent for removing stubborn stains and grime.
5. The bicarbonate was an essential ingredient in fire extinguishers due to its ability to neutralize flames and prevent further burning.