A5

British

noun

See also A sizes
1. a standard paper size (half A4), 148 × 210 mm
2. ( as adjective )
  
  A5 notepaper

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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I recently found A5 Wagyu striploins available at a specialty butcher near me in New York City, paying $64 for a half pound cut that served two.

From The Wall Street Journal ● Aug. 22, 2026

You can even find A5 beef at Disney World, in nigiri form.

From The Wall Street Journal ● Aug. 22, 2026

Leicestershire Police said that at 05:52 BST on Sunday, the A5 Watling Street near Hinckley in Leicestershire was closed after a lorry crashed into the bridge.

From BBC ● Aug. 17, 2026

Money from the fund was also earmarked to go towards stalled projects like the A5 road and Casement Park stadium.

From BBC ● Feb. 1, 2026

The first option, which relies on knowing the A5 encryption key, requires the right equipment.

From Underground by Suelette Dreyfus

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023