Dictionary
1m
noun, often capitalized often attributive \ˈem\
: the 13th letter of the English alphabet
: the Roman numeral that means 1,000
plural m's or ms \ˈemz\
Full Definition of M
1
a : the 13th letter of the English alphabet b : a graphic representation of this letter c : a speech counterpart of orthographic m
2
: one thousand — see number table
3
: a graphic device for reproducing the letter m
4
: one designated m especially as the 13th in order or class
5
: something shaped like the letter M
See m defined for English-language learners
See m defined for kids
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First Known Use of M
before 12th century
2m
abbreviation
Definition of M
1
male
2
manual
3
married
4
martyr
5
masculine
6
mass
7
measure
8
meridian
9
[Latin meridies] noon
10
meter
11
middle
12
mile
13
[Latin mille] thousand
14
milli-
15
minute
16
molal; molality
17
mole
18
month
19
moon
20
morning
21
muscle
See m defined for English-language learners
M
abbreviation
Definition of M
1
Mach
2
magnitude
3
March
4
May
5
medium
6
mega-
7
million
8
molar; molarity
9
monsieur
See M defined for English-language learners
M Defined for Kids
m
noun , often cap \ˈem\
plural m's or ms \ˈemz\
Definition of M for Kids
1
: the 13th letter of the English alphabet
2
: 1000 in Roman numerals
Medical Dictionary
m
abbreviation
Medical Definition of M
1
Mach
2
male
3
married
4
masculine
5
mass
6
meter
7
[Latin mille] thousand
8
million
9
minim
10
minute
11
molal
12
molality
13
molar
14
molarity
15
mole
16
mucoid
17
muscle
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Seen & Heard
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