wax science definition

Any of various solid, usually yellow substances that melt or soften easily when heated. They are similar to fats, but are less greasy and more brittle. Naturally occurring animal and plant waxes are esters of saturated fatty acids and alcohols of high molecular weight, including sterols. Waxes are also manufactured synthetically from petroleum, and are used to make polishers, lubricants, coatings, waterproofing, crayons, candles, and many other products.