mm
- 1Symbol for millimeter. It is a tiny unit of length, one thousandth of a meter.
The screw is 5 mm long.
About 12 mm of rain fell overnight.
UsageWrite 5 mm, with a space and no s.
- 2Alternative form of mmm. A sound people make when food tastes good or while they think.
Mm, this soup is really good.
"Do you want to come?" "Mm, let me think about it."
UsageWhen mm starts a sentence, add a comma: Mm, that tastes good.
Note
- 3Short for million: written after amounts of money, mainly in business.
The company raised $5 MM from investors.
Sales this year came to about $12 MM.
UsageWrite $5 MM for five million dollars, or just write million.
Note
Less common meanings
- 4Short for month: the two numbers for the month in a date, as in dd/mm/yyyy.
Write your birthday in the box as dd/mm/yyyy.
Type the month in the mm box, for example 03 for March.
Note
- 5The number two thousand, written the old Roman way.
The stone above the door says MM, which means 2000.
The movie's closing credits give the year as MM, which means 2000.
- 6Initialism of mile marker. It is a numbered sign along a highway that shows where you are.
Our car broke down near MM 45.
The rest stop is just past MM 210.
- 7Short for market maker: a trader or firm that always offers a price to buy and a price to sell.
The MM offered to buy the shares when nobody else wanted them.
Each MM posts one price to buy and one price to sell.
Note
- 8Short for mintmark: the letter or mark on a coin that shows where it was made.
This quarter has a D MM, so it was made in Denver.
Check the MM before you trade the coin.
Note
- 9Short for man-month: the amount of work one person does in a month.
The project will take about 6 MM of work.
The project took about 12 MM of work, or one person for a whole year.
Note
- 10Plural of M, short for Monsieur. It is used before the names of two or more men.
- 11Short for Master of Music: a university degree in music, taken after a first degree.
- 12Initialism of moving magnet. It is a kind of cartridge that reads the grooves of a record.
- 13Short for Master Mason: a Freemason who has reached the third and highest basic rank.
- 14Short for Master of Management: a university degree in management, taken after a first degree.
- 15Initialism of maritime mobile. Radio amateurs use it for a station on a ship or boat.
- 16Initialism of middle marker. It is a radio signal that shows pilots where they are when landing.
- 17Short for mounted mint: describing an unused stamp that has been stuck into an album with a hinge.
- 18Initialism of mathematical morphology. It is a set of math methods for studying and changing shapes.
Showing meanings only.
Practice
Can you tell the meanings of mm apart? Answer 4 quick questions from this page, or write your own sentence and AI will check it.