from The American Heritage® Dictionary of the English Language, 4th Edition

  • The symbol for the Roman numeral 1,000.
  • abbr. Printing em
  • abbr. Bible Maccabees
  • abbr. Mach number
  • abbr. male
  • abbr. medium
  • abbr. metal
  • abbr. middle term
  • abbr. million
  • abbr. Chemistry molar
  • abbr. Physics moment
  • abbr. Monday
  • abbr. month
  • abbr. mutual inductance

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The thirteenth letter of the basic modern Latin alphabet.
  • n. mega-
  • n. : Messier number. Objects in Charles Messier's catalog of Nebulae and Star Clusters in 1774 are numbered, and the letter M (for Messier) is prepended to these numbers, as in M31 (the Andromeda Galaxy) or M13 (the globular cluster in Hercules).
  • n. IUPAC 1-letter abbreviation for methionine
  • n. The Roman numeral M (1,000)
  • n. The thirteenth letter of the English alphabet, called em and written in the Latin script.
  • n. The ordinal number thirteenth, derived from this letter of the English alphabet, called em and written in the Latin script.
  • Monsieur
  • male
  • Monday
  • Mother
  • mature
  • nautical mile
  • Medium
  • Michigan. Usage note: this designation is usually used only within Michigan.
  • the number of minutes a player spent at the crease
  • the number of maiden overs bowled


Sorry, no etymologies found.


  • The cube ABCD-G is derived from the square ABCD by letting ABCD move one foot in a direction perpendicular to its two dimensions; its M lines and M² points describe respectively M squares and M² lines; accordingly ABCD-G contains M squares, M² lines, and M³ points.

    The Fourth Dimension Simply Explained

  • The unit AB may be regarded as made up of an indefinitely large number M of points arranged continuously from A to B; the square ABCD then contains M×M = M² points; and the cube ABCD-G contains M×M X M = M³ points.

    The Fourth Dimension Simply Explained

  • Memorable Ones: Sperm wriggling their way into an egg; a tapeworm being removed from an artery of a very fleshy arm; happy little M& M figures sending cartoon messages to a cartoon brain.

    Boiling the Dog's Head

  • M@, Dean, Kim_in_TO, Dharma, Nigel Patel, Jen, M Yass are all friends of mine and wmtc fans, but are also honest, forthright people who would politely but clearly tell me if they thought I was out of line.

    progressive people are not always nice

  • A scientific naturalist is in principle happy to say that if a mathematical theory M is scientifically superior but mathematically inferior to another mathematical theory M* then M should be preferred to M* (the next paragraph contains an example).

    Naturalism in the Philosophy of Mathematics

  • Although, since B and P are labials, you take the B from the broccoi for the first letter and make it a P, shift the initial T from "tomato" to where the M is, remove the M--then you have "potato." posted by Glaukôpis at 5:44 PM

    Archive 2007-02-01

  • But the prospects for the evening suck NOT YOUR FAULT, M--M has just discovered Google Reader and her feeds are People, Go Fug Yourself, Red Sox News, and me, which means I can no longer hope that she'll miss a post.

    The Last Self-Pitying Blog Post of 2007

  • Also putting dirty clothes in the laundry (rather than on the floor), cleaning their room every weekend, opening the shades in the morning (E), closing the shades at night (M), helping fold laundry and doing the recycling (M--yes, her list has more than E's, but she's 10 and E is 6, and M did bupkis when she was 6, so everyone calmed down about that).

    Archive 2007-04-01

  • M, y sat A iff M², y² sat A, it is clear that no formula in PDL with cycle is equivalent to loop (Ï).

    Propositional Dynamic Logic

  • Since not M, x sat loop (Ï), not M, y sat loop (Ï), M², y² sat loop (Ï) and for all formulas A in PDL with cycle, M, x sat A iff

    Propositional Dynamic Logic


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    January 2, 2010