[ˈkal(ə)ri], (Noun)

Definitions:
- a unit of energy equivalent to the heat energy needed to raise the temperature of 1 gram of water by 1 °C (now often defined as equal to 4.1868 joules)

- a unit of energy, often used to express the nutritional value of foods, equivalent to the heat energy needed to raise the temperature of 1 kilogram of water by 1 °C, and equal to one thousand small calories; a kilocalorie
(e.g: she advises working on your relationship with food and moving away from counting calories)


Phrases:

Origin:
mid 19th century: from French, from Latin calor ‘heat’ + French suffix -ie (see -y)