Word: Kilogram Calorie
Definition: A kilogram calorie (often just called a "calorie") is a unit of heat energy. It is the amount of heat needed to raise the temperature of one kilogram of water by one degree Celsius at one atmosphere of pressure. This measurement is important in nutrition because it helps us understand how much energy we get from food.
Usage Instructions:
When discussing food energy, you can refer to calories to express how much energy a particular food item provides.
In nutrition labels, food energy is often measured in calories.
Example:
Advanced Usage:
In scientific contexts, you might see the term "kilocalorie" used, which is equivalent to 1,000 calories. Nutritionists often use kilocalories when discussing food energy (e.g., "There are 250 kilocalories in a serving of pasta").
Word Variants:
Calorie: This is the common term used in everyday language.
Kilocalorie: Sometimes used interchangeably with "calorie" in nutritional contexts, especially on food labels.
Different Meanings:
In physics, a calorie can also refer to the amount of heat required to raise the temperature of 1 gram of water by 1 degree Celsius, but in nutrition, it's typically about the kilocalorie (1,000 calories).
Synonyms:
Idioms and Phrasal Verbs:
While there are no specific idioms or phrasal verbs associated directly with "kilogram calorie," you may hear phrases related to dieting and energy, such as: - "Burn calories," meaning to use energy, often through physical activity. - "Count calories," meaning to track the amount of calories consumed daily.
Summary:
The term "kilogram calorie" is essential for understanding energy in food.