# mm

Pronunciation: say "em-EM" /ˌɛm ˈɛm/

## Symbol

1. Symbol for millimeter. — Symbol for millimetre (millimeter), an SI unit of length equal to 10⁻³ metres (meters).
   - Simple: Symbol for millimeter. It is a tiny unit of length, one thousandth of a meter.
   - _Use a 6 mm drill bit for the wall anchors._
   - _The lens has a focal length of 50 mm and a wide aperture._

## Interjection

Pronunciation: say "MM" /m̩ː/

2. Another spelling of mmm: a sound showing pleasure, especially at food, or used while thinking, hesitating, or agreeing. — Alternative form of mmm.
   - Simple: Alternative form of mmm. A sound people make when food tastes good or while they think.
   - _Mm, that's a fair point, but the numbers still don't add up._
   - _Mm, these strawberries taste like summer._

## Noun · MM

3. Short for million: used mainly in business and finance, especially after amounts of money. — Abbreviation of million.
   - Simple: Short for million: written after amounts of money, mainly in business.
   - _The fund closed with $250 MM in commitments, well above its target._
   - _Analysts expect the deal to add $40 MM to annual revenue._
6. Short for mile marker: a highway sign showing the distance in miles from a fixed starting point. — Initialism of mile marker.
   - Simple: Initialism of mile marker. It is a numbered sign along a highway that shows where you are.
   - _Dispatchers sent troopers to a crash reported at MM 87 on the northbound side._
   - _The exit numbers on this highway match the nearest MM, so exit 32 sits near MM 32._
7. Short for market maker: a firm or trader that stands ready to buy and sell a security at quoted prices, keeping trading flowing. — Initialism of market maker.
   - Simple: Short for market maker: a trader or firm that always offers a price to buy and a price to sell.
   - _When volatility spiked, the MM widened its spread to limit its risk._
   - _The MM on the options desk quoted a bid of 1.20 and an ask of 1.25._
8. Short for mintmark: a letter or symbol on a coin that shows which mint made it. — Initialism of mintmark.
   - Simple: Short for mintmark: the letter or mark on a coin that shows where it was made.
   - _He wants to swap his Philadelphia quarters for ones with a Denver MM._
   - _The seller's photos were too blurry to show the MM, so I passed on the coin._
9. Short for man-month: a unit of work equal to what one person does in one month. — Initialism of man-month.
   - Simple: Short for man-month: the amount of work one person does in a month.
   - _The estimate came to 30 MM, or roughly five developers for six months._
   - _The contract is priced per MM, so extra staff means a bigger bill._

## Noun

4. Short for month: the two digits that stand for the month in a written date format such as dd/mm/yyyy.
   - Simple: Short for month: the two numbers for the month in a date, as in dd/mm/yyyy.
   - _European forms usually ask for dates as dd/mm/yyyy, while American forms put mm first._
   - _The expiration date on the card is printed as mm/yy, so 08/27 means August 2027._

## Numeral · MM

5. The number two thousand (2000) written in Roman numerals.
   - Simple: The number two thousand, written the old Roman way.
   - _The cornerstone of the library is carved with the year MM._
   - _The film's closing credits give its copyright year as MM._

## Other meanings

- (noun) Plural of M, short for Monsieur.
- (noun) Short for Master of Music: a graduate degree in music, usually in performance, composition, or a related field.
- (noun) Short for moving magnet: a record player cartridge whose needle moves a magnet near fixed coils to create an electrical signal.
- (noun) Short for Master Mason: a Freemason who has received the third degree, the highest of the basic craft degrees.
- (noun) Short for Master of Management: a graduate business degree in management, often taken soon after a first degree.
- (noun) Initialism of maritime mobile.
- (noun) Short for middle marker: a radio beacon near a runway that signals a plane’s position as it approaches to land.
- (noun) Short for mounted mint: the condition of an unused stamp that has been mounted with a hinge, leaving the gum on the back disturbed.
- (noun) Short for mathematical morphology: math methods for studying and changing shapes, especially in digital pictures.

Source: DictionaryAI, https://dictionaryai.com/define/mm (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).