Low means you can eat several servings per day of this food and not go over the suggested daily value for that nutrient. 1  The word low is used to describe fat, calorie, and sodium contents of foods. 2  Low fat means less than or equal to 3g total fat per serving. 3  A low calorie food has 40 calories or less per serving.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Hypo-. a prefix signifying a less quantity, or a low state or degree, of that denoted by the word with which it is joined, or position under or beneath. 2  Hypo-.
* These negative prefixes mean 'not' or something similar, or reverse the action or meaning of the word they attach to. For more information, see Negative Prefix List. (The most common negative prefix of all in English is 'un-'.