M4

British

symbol

Also called: PSL1. the amount of money in circulation given by M1 plus most private-sector bank deposits and holdings of money-market instruments

"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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Andrew Lightbown, a priest who said he uses the M4 "very frequently", agreed that "there are traffic jams quite a lot of the time".

From BBC • May 2, 2026

Prosecutors at Reading Crown Court said any competent driver should still have avoided the Micra as it stood stranded on the M4 westbound between junctions 11 and 12.

From BBC • Apr. 24, 2026

Mac Minis with larger-capacity RAM chips—a base M4 model with 32GB of RAM, starting at $999, and the M4 Pro models with 64GB of RAM, starting at $1,999—are “currently unavailable” on Apple.com.

From The Wall Street Journal • Apr. 17, 2026

Additionally, the new MacBook Pro and Max models running on the M5 chip boast over four times the peak computing power for AI workloads when compared with the previous M4 generation, Ives highlighted.

From MarketWatch • Mar. 4, 2026

“Here! Then just head east. No need to get bogged down in Bristol. M4 to junction 18, then the A46 to Bath. Bob's your uncle.”

From "Black Swan Green" by David Mitchell

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