Definition:
A "kilogram" is a unit of measurement for weight. It is equal to one thousand grams. In the metric system (which is used in most countries around the world), the kilogram is the basic unit of mass. It is important for measuring how heavy something is.
In scientific contexts, kilograms are used to measure mass in experiments and calculations. It is also used in international trade and shipping to determine the weight of goods.
Kilograms (plural): Used when talking about more than one kilogram.
Example: "I bought 3 kilograms of rice."
Kilogram-force (kgf): A unit of force that is exerted by one kilogram of mass in a gravitational field.
While "kilogram" mainly refers to weight, in some contexts, it can be used figuratively to describe a heavy burden or responsibility. However, this usage is less common.
There are no specific idioms or phrasal verbs that directly use "kilogram," but you might hear phrases like: - "Weighing in at" (used to describe the weight of someone or something):
Example: "The package is weighing in at 10 kilograms."
In summary, a kilogram is an important unit of weight in the metric system, equivalent to 1000 grams. It is commonly used in everyday life and various professional fields to discuss the weight of objects.