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plural calories
(nutrition) Kilogram calorie or large calorie. A unit of energy 1000 times larger than the gram calorie. It is equivalent to the gram kilocalorie, approximately 4.2 kilojoules. quotations examples
Biotics possess extraordinary abilities, but they must live with minor inconveniences. The most obvious issue is getting adequate nutrition. Creating biotic mass effects takes such a toll on metabolism that active biotics develop ravenous appetites. The standard Alliance combat ration for a soldier is 3000 calories per day; biotics are given 4500, as well as a canteen of potent energy drink for quick refreshment after hard combat.
2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, PC, scene: Biotics: Life as a Biotic Codex entry
Mostly, the microbiome is beneficial. It helps with digestion and enables people to extract a lot more calories from their food than would otherwise be possible. Research over the past few years, however, has implicated it in diseases from atherosclerosis to asthma to autism.
2013 June 29, “A punch in the gut”, in The Economist, volume 407, number 8842, pages 72–3
(physics, chemistry, obsolete) The gram calorie or small calorie, a non-SI unit of energy, equivalent to approximately 4.2 joules. This unit was widely used in chemistry and physics, being the amount of energy needed to raise the temperature of 1 gram of water by 1 °C.