Home › Words › O › olestraolestraolestra means A fat substitute (a glyceride of sucrose) that cannot be easily digested and therefore adds no fat, calories, or cholesterol to food products; also used as an industrial lubricant.Etymology1980s, from (p)ol(y)est(e)r + -a.nounA fat substitute (a glyceride of sucrose) that cannot be easily digested and therefore adds no fat, calories, or cholesterol to food products; also used as an industrial lubricant.e.g.“What concerns me are celebrity magazines, television with 500 channels, some guy's name on my underwear. Rogaine, Viagra, Olestra.” — 1999, Chuck Palahniuk (novel), Jim Uhls (screenplay), Fight Club (motion picture), spoken by Tyler Durden (Brad Pitt):Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.sucroglyceride 55% match — Any mixture of sucrose esters of fatty acids and glycerides. vs olestra →oleate 54% match — Any salt or ester of oleic acid. vs olestra →polysucrose 53% match — A synthetic polymer of sucrose vs olestra →olein 53% match — Any naturally-occurring greasy or oily substance related to fat. vs olestra →chitosan 52% match — An oligosaccharide derived from chitin, sometimes used in the absorption of fat vs olestra →monooleoglycerol 51% match — The monoglyceride of oleic acid vs olestra →fatless 51% match — Without fat, especially in the senses: made without fat, fat-free. vs olestra →stachyose 50% match — A tetrasaccharide found in many vegetables and plants, used as a sweetener or for its functional oligosaccharide property. vs olestra →