Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation Printing em
  • abbreviation Bible Maccabees
  • abbreviation Mach number
  • abbreviation male
  • abbreviation married
  • abbreviation medium
  • abbreviation meridian
  • abbreviation Latin meridies (noon)
  • abbreviation metal
  • abbreviation middle
  • abbreviation middle term
  • abbreviation Sports midfielder
  • abbreviation million
  • abbreviation Chemistry molarity
  • abbreviation Physics moment
  • abbreviation Monday
  • abbreviation Monsieur
  • abbreviation month
  • abbreviation mutual inductance
  • The symbol for the Roman numeral 1,000.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The thirteenth letter of the basic modern Latin alphabet.
  • noun mega-
  • noun astronomy : 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).
  • noun biochemistry IUPAC 1-letter abbreviation for methionine
  • noun The Roman numeral M (1,000)
  • noun The thirteenth letter of the English alphabet, called em and written in the Latin script.
  • noun The ordinal number thirteenth, derived from this letter of the English alphabet, called em and written in the Latin script.
  • initialism Monsieur
  • initialism male
  • initialism Monday
  • initialism Mother
  • initialism mature
  • initialism nautical mile
  • initialism size Medium
  • initialism US, roadway Michigan. Usage note: this designation is usually used only within Michigan.
  • initialism cricket, in batting figures the number of minutes a player spent at the crease
  • initialism cricket, in bowling figures the number of maiden overs bowled

Etymologies

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Examples

  • 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 1910

  • 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 1910

  • 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 2010

  • 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 2008

  • 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 Paseau, Alexander 2008

  • 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).

    The Sticker Chart and the Chores Becca 2007

  • 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 Becca 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 Becca 2007

  • 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 2007

  • 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

    Links, various and sundry. 2007

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  • Boy

    January 2, 2010