- a semiautomatic, gas-operated, .30 caliber, clip-fed rifle, with a weight of 8.56 pounds (3.88 kg): the standard U.S. Army rifle in World War II and in the Korean War.
- Music. major.
- modal auxiliary.
- Economics. monetary aggregate: issued periodically by the Federal Reserve Board as various measures of money supply (M-1, M-1A, M-2, etc.).Compare L
- British. motorway (used with a road number to designate a major highway): the M1.
Examples from the Web for m1
Exception is to be made for the inner lobe of M1 in males where the size is the same.
M1, however, is approximately the same size in each subspecies.
The same is true of all measurements taken of M1, P4 and m1.
Three specimens are assigned to this species on the basis of the breadth of M1.The Recent Mammals of Tamaulipas, Mexico
Judging from specimens examined by me, such is the case, and the difference is even more pronounced in m1.Systematics of Megachiropteran Bats in the Solomon Islands
Carleton J. Phillips
- the amount of money in circulation in notes, coin, current accounts, and deposit accounts transferable by cheque
- the 13th letter and tenth consonant of the modern English alphabet
- a speech sound represented by this letter, usually a bilabial nasal, as in mat
- medium (size)
- currency mark(s)
- astronomy Messier catalogue; a catalogue published in 1784, in which 103 nebulae and clusters are listed using a numerical systemM13 is the globular cluster in Hercules
- physics modulus
- (in Britain) motorwaythe M1 runs from London to Leeds
- (in Australia)
- mature audience (used to describe a category of film certified as suitable for viewing by anyone over the age of 15)
- (as modifier)an M film
- logic the middle term of a syllogism
- physics mutual inductance
- chem molar
- (Roman numeral) 1000See Roman numerals
- Malta (international car registration)
Word Origin and History for m1
13th letter, from Greek mu, from Semitic mem. The Roman symbol for 1,000; sometimes used in this sense in English 15c.-16c.; but in late 20c. newspaper headlines it stands for million. As a thickness of type, from 1680s.
- Abbreviation of mass, meter