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M¹ also m

The symbol for the Roman numeral 1,000.

m¹ or M

(ĕm)

n. pl. m's or M's also ms or Ms

1. The 13th letter of the modern English alphabet.

2. Any of the speech sounds represented by the letter m.

3. The 13th in a series.

4. Something shaped like the letter M.

(click for a larger image)

memorial stone, Canterbury Cathedral, England

Inscribed "Thomas," this marker at the Altar of Sword's Point commemorates the martyrdom of Saint Thomas à Becket (1118?-1170).

M²

abbr.

1. Printing em

2. Bible Maccabees

3. Mach number

4. male

5. married

6. medium

7. meridian

8. Latin meridies (noon)

9. metal

10. middle

11. middle term

12. Sports midfielder

13. million

14. M Chemistry molarity

15. Physics moment

16. Monday

17. Monsieur

18. month

19. mutual inductance

m²

abbr.

1. Grammar masculine

2. Physics mass

3. meter (measurement)

4. mile

5. minute

6. also M Physics modulus

7. m Chemistry molality

Contraction of am: I'm feeling fine.

abbr.

1. master

2. mill (currency)

3. minim

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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