olestra

O1L1E1S1T1R1A1

noun

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.

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Meanings

nounolestra (countable and uncountable, plural olestras)

plural olestras

  1. countableuncountableA 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.

    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)

Origin

1980s, from (p)ol(y)est(e)r + -a.

Full word history & related roots →

Translations

Russian олестра
  • олестра (olestra)A fat substitute (a glyceride of sucrose) that cannot be easily digested

Rhymes & wordplay

Anagrams

oestralaltrose
Cite this entry
APA

olestra. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/olestra

MLA

“olestra.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/olestra. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “olestra,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/olestra.

Source: olestra on Wiktionary, CC BY-SA 4.0.