large calorie
Học thuậtThân thiện
Definition
- Noun:
- A unit of energy in food: A "large calorie" (also called a kilocalorie) is a scientific unit that measures the amount of heat energy. Specifically, it is defined as the amount of heat needed to raise the temperature of one kilogram of water by one degree Celsius at a pressure of one atmosphere. In nutrition, this unit is used to quantify the energy that food provides to the body when consumed.
Usage Examples
- Noun:
- A single chocolate bar can contain hundreds of large calories.
- Nutritionists recommend counting large calories to manage weight.
- The energy content in food labels is often given in large calories.
Advanced Usage
- "Dietary Calorie": When spelled with a capital 'C', "Calorie" in nutritional contexts almost always means "large calorie."
- The label states this serving has 250 Calories (kilocalories).
Variants and Related Words
- Kilocalorie (kcal) (n): This is the formal scientific term that is synonymous with "large calorie."
- The metabolic rate is often measured in kilocalories per day.
- Small calorie (cal) (n): A different, much smaller unit of energy, defined as the heat needed to raise 1 gram of water by 1°C. One large calorie equals 1000 small calories.
Synonyms
- Kilocalorie: The direct scientific synonym.
- Food calorie: A common informal term.
Related Phrases
- Calorie content: Refers to the amount of energy provided by a food, measured in large calories.
- You should check the calorie content of packaged foods.
- Calorie intake: The total number of large calories consumed from food and drink.
- Reducing daily calorie intake can lead to weight loss.
Noun
- a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food