M1

[em-wuhn] /ˈɛmˈwʌn/

noun, plural M-1’s.
1.
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.
1.
.
2.
Music. .
3.
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4.
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5.
.
6.
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7.
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8.
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9.
modal auxiliary.
10.
.
11.
Economics. monetary aggregate: issued periodically by the Federal Reserve Board as various measures of money supply ((M-1, M-1A, M-2) etc.).
Compare .
12.
British. motorway (used with a road number to designate a major highway):
the M1.
symbol
1.
the amount of money in circulation in notes, coin, current accounts, and deposit accounts transferable by cheque
/ɛm/
noun (pl) m’s, M’s, Ms
1.
the 13th letter and tenth consonant of the modern English alphabet
2.
a speech sound represented by this letter, usually a bilabial nasal, as in mat
symbol
1.
metre(s)
2.
mile(s)
3.
milli-
4.
minute(s)
symbol
1.
mach
2.
medium (size)
3.
mega-
4.
(currency) mark(s)
5.
million
6.
(astronomy) Messier catalogue; a catalogue published in 1784, in which 103 nebulae and clusters are listed using a numerical system: M13 is the globular cluster in Hercules
7.
Middle
8.
(physics) modulus
9.
(in Britain) motorway: the M1 runs from London to Leeds
10.
(in Australia)

11.
(logic) the middle term of a syllogism
12.
(physics) mutual inductance
13.
(chem) molar
14.
(Roman numeral) 1000 See Roman numerals
abbreviation
15.
Malta (international car registration)

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.

m abbr.

M 2
abbr.

m
Abbreviation of mass, meter

noun

1.
masculine
2.
mass
3.
meter
4.
minute
5.
modulus
1.
em
2.
Maccabees
3.
Mach number
4.
male
5.
Malta (international vehicle ID)
6.
married (as in personal ads)
7.
medium
8.
megabyte
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mellow
10.
metal
11.
middle term
12.
million
13.
mint
14.
molar
15.
molarity
16.
moment
17.
Monday
18.
month
19.
more (shortwave transmission)
20.
[heart] murmur
21.
mutual inductance
22.
1000