### Definition of M

1. Noun. The basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards).

Exact synonyms: Meter, Metre
Generic synonyms: Metric Linear Unit
Terms within: Decimeter, Decimetre, Dm
Group relationships: Dam, Decameter, Decametre, Dekameter, Dekametre, Dkm
Derivative terms: Metric, Metrical, Metrical

2. Adjective. Denoting a quantity consisting of 1,000 items or units.
Exact synonyms: 1000, K, One Thousand, Thousand
Similar to: Cardinal

3. Noun. Concentration measured by the number of moles of solute per liter of solution.
Exact synonyms: Molar Concentration, Molarity
Generic synonyms: Concentration
Derivative terms: Molar, Molar

4. Noun. The cardinal number that is the product of 10 and 100.
Exact synonyms: 1000, Chiliad, G, Grand, K, One Thousand, Thou, Thousand, Yard
Generic synonyms: Large Integer
Specialized synonyms: Millenary

5. Noun. A unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes.
Exact synonyms: Mb, Megabyte
Generic synonyms: Computer Memory Unit
Terms within: K, Kb, Kilobyte
Group relationships: G, Gb, Gigabyte

6. Noun. A unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes.
Exact synonyms: Mb, Mebibyte, Megabyte, Mib
Generic synonyms: Computer Memory Unit
Terms within: K, Kb, Kib, Kibibyte, Kilobyte
Group relationships: G, Gb, Gib, Gibibyte, Gigabyte

7. Noun. The 13th letter of the Roman alphabet.

### Definition of M

1. n. A quadrat, the face or top of which is a perfect square; also, the size of such a square in any given size of type, used as the unit of measurement for that type: 500 m's of pica would be a piece of matter whose length and breadth in pica m's multiplied together produce that number.

### Definition of M

1. Letter. (Latn-def en letter 13 em) ¹

2. Number. (Latn-def en ordinal 13 em) ¹

3. Initialism. Monsieur ¹

4. Initialism. male ¹

5. Initialism. Monday ¹

6. Initialism. Mother ¹

7. Initialism. mature ¹

8. Initialism. nautical mile ¹

9. Initialism. (context: size) Medium ¹

10. Initialism. (US roadway) Michigan. Usage note: this designation is usually used only within Michigan. ¹

11. Initialism. (cricket in batting figures) the number of minutes a player spent at the crease ¹

12. Initialism. (cricket in bowling figures) the number of maiden overs bowled ¹

13. Letter. (Latn-def en letter 13 em) ¹

14. Number. (Latn-def en ordinal 13 em) ¹

15. Abbreviation. metre ¹

16. Abbreviation. (grammar) masculine ¹

17. Abbreviation. mile ¹

18. Abbreviation. milli ¹

19. Abbreviation. million ¹

¹ Source: wiktionary.com

### Medical Definition of M

1. 1. Symbol for mega-; morgan; moles per liter (also written M or m); myopia or myopic; methionine; 6-mercaptopurine ribonucleoside in a nucleic acid; molarity; L. Misce, mix. 2. Symbol for a blood factor.MNSs blood group, Blood Groups Appendix. Symbol for meter; milli-; minim; mass; magnetic dipole moment; molality. (05 Mar 2000)

### M Pictures

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### Lexicographical Neighbors of M

 LythraceaeLythrumLythrum hyssopifoliaLythrum salicariaLytico-Bodig diseaseLyttonLytton StracheyLœuillyLáadanLévy flight Lévy flightsLóegaire the VictoriousLöwchenLübeckM&AM&MM&M'sM'DowelM'NaghtenM'Naghten rule M'sM-1M-16M-16sM-1 rifleM-1sM-CSFM-F