smoothifier

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noun

A floating widget inside a beer can, which (unlike earlier fixed versions) prevents the contents from overflowing if opened when warm.

Scrabble 19
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Meanings

nounsmoothifier (plural smoothifiers)

plural smoothifiers

  1. A floating widget inside a beer can, which (unlike earlier fixed versions) prevents the contents from overflowing if opened when warm.

Origin

From smooth + -ify + -er, a marketing coinage by Guinness.

Full word history & related roots →
Cite this entry
APA

smoothifier. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/smoothifier

MLA

“smoothifier.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/smoothifier. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “smoothifier,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/smoothifier.

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