1 Reverse dictionary. Enter meanings to find the corresponding suffixes (e.g., searching with the word arm will locate the suffixes -humeral and -brachial).  Finding meanings. Enter a in the box and click the Search button.
Re: calorie vs. a food calorie. A food calorie is 1,000 chemistry calories. That did sound a little like a homework question.
One of the main differences between vitamins and minerals is that the former is an organic compound and the later is an inorganic compound. While Vitamins come from plants and animals, the body get the minerals from soil and water.