m [ em ]

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

    同义词： meter metre

  • concentration measured by the number of moles of solute per liter of solution

    同义词： molarity molar concentration

  • the cardinal number that is the product of 10 and 100

    同义词： thousand one thousand 1000 K chiliad G grand thou yard

  • the 13th letter of the Roman alphabet

    同义词： letter m

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

  同义词： thousand one thousand 1000 k

以上来源于: WordNet