M

Pronunciation (US):

• M (noun)
  The noun M has 4 senses:

1. the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
2. concentration measured by the number of moles of solute per liter of solution
3. the cardinal number that is the product of 10 and 100
4. the 13th letter of the Roman alphabet

  Familiarity information: M used as a noun is uncommon.

• M (adjective)
  The adjective M has 1 sense:

1. denoting a quantity consisting of 1,000 items or units

  Familiarity information: M used as an adjective is very rare.

• M (noun)

Meaning:

The basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

metre; meter; m

Hypernyms ("m" is a kind of...):

metric linear unit (a linear unit of distance in metric terms)

Meronyms (parts of "m"):

decimeter; decimetre; dm (a metric unit of length equal to one tenth of a meter)

Holonyms ("m" is a part of...):

dam; decameter; decametre; dekameter; dekametre; dkm (a metric unit of length equal to ten meters)

Meaning:

Concentration measured by the number of moles of solute per liter of solution

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

molar concentration; molarity; M

Hypernyms ("M" is a kind of...):

concentration ((chemistry) the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter))

Meaning:

The cardinal number that is the product of 10 and 100

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

thousand; thou; one thousand; grand; chiliad; 1000; K; M; G; yard

Hypernyms ("M" is a kind of...):

large integer (an integer equal to or greater than ten)

Hyponyms (each of the following is a kind of "M"):

millenary (a sum or aggregate of one thousand (especially one thousand years))

Meaning:

The 13th letter of the Roman alphabet

Classified under:

Nouns denoting communicative processes and contents

Synonyms:

letter m; M

Hypernyms ("M" is a kind of...):

alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)

Holonyms ("M" is a member of...):

Latin alphabet; Roman alphabet (the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe)

• M (adjective)

Meaning:

Denoting a quantity consisting of 1,000 items or units

Synonyms:

1000; k; m; one thousand; thousand

Similar:

cardinal (being or denoting a numerical quantity but not order)