Wiktionary(1.00 / 1 vote)Rate this definition: quantity(Noun) A fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items. You have to choose between quantity and quality.
When the body is making and using ketones we say that the body is in a state of ketosis. Ketosis begins after about 48 hours (2 days) or water fast for women, or about 72 hours (3 days) of water fast for men.
Atkins Induction. It lasts for two weeks this will ensure that you are properly in ketosis and that your body has âswitched gearâ to fat burning for energy. You may eat no more than 15 â 20 g carbohydrate per day. 1  Eat as much protein as needed to satisfy hunger meat, fish, shellfish or poultry.