Butterfat (noun)

The natural fat that is present in milk and cream and is used in the production of butter.

Origin:

Derived from the old english word 'butere' meaning 'butter' and the word 'fæt' meaning 'fat'.

Examples:

1. The butterfat content in the cream was measured to determine its quality.
2. The dairy farmer was paid based on the amount of butterfat in his milk.
3. The high butterfat content made the ice cream incredibly rich and creamy.
4. Butterfat is a major component of many cosmetic products, as it helps to moisturize the skin.
5. The cow's butterfat content decreases as it gets older and its milk production decreases.