Definitions
A non-digestible fat substitute formerly used in some snack foods.
Word origin
1980s, from (p)ol(y)est(e)r + -a.
Used in a sentence
“What concerns me are celebrity magazines, television with 500 channels, some guy's name on my underwear. Rogaine, Viagra, Olestra.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Fat substitute”7 letters
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