Definitions
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/ShareAlike 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 1letter 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
Etymologies
Sorry, no etymologies found.
Examples

The cube ABCDG 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 ABCDG contains M squares, M² lines, and M³ points.

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 ABCDG contains M×M X M = M³ points.

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.

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.

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).

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 Mthen you have "potato." posted by Glaukôpis at 5:44 PM

But the prospects for the evening suck NOT YOUR FAULT, MM 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.

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 (Myes, 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).

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

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
Jubjub commented on the word M
Boy
January 2, 2010