tinfoil

[ tin-foil ]

noun

1. tin, or an alloy of tin and lead, in the form of a thin sheet, much used as a wrapping for drugs, foods, tobacco, etc.

tinfoil

/ ˈtɪnˌfɔɪl /

noun

1. thin foil made of tin or an alloy of tin and lead
2. thin foil made of aluminium; used for wrapping foodstuffs

Word History and Origins

Origin of tinfoil¹

First recorded in 1425–75, tinfoil is from the late Middle English word tynfoile. See tin, foil ²

Example Sentences

Every weekday morning, drivers arrive at the Little Tokyo Towers at 10 a.m. carrying precious cargo: seniors’ meals individually wrapped in tinfoil.

From Los Angeles Times

The right-wing tinfoil geeks who’ve been crying coup now have found themselves teaming up with some strange partners who all but agree with them: the Biden loyalists who stuck by him throughout the past month and resisted every single call for the president to reconsider his electoral position.

From Slate

So I went to my hair cutter and had him do it, with the tinfoil and everything.

From Los Angeles Times

A large roll of non-stick tinfoil couldn't hold a candle to Mamma Mia actress Amanda Seyfried, who wore a shiny metallic gown featuring flower appliques.

From BBC

The bodies of the two boys and two girls, likely born many years ago, were found in shoe boxes wrapped in tinfoil in November 2022.

From Seattle Times