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• verb
• synonym
• antonym

• 800 number (noun)
  1. a telephone number which one can telephone without paying for the call
• ABA transit number (noun)
  1. an identification number consisting of a two-part code assigned to banks and savings associations; the first part shows the location and the second identifies the bank itself
• Avogadro number (noun)
  1. approximately 602,250,000,000,000,000,000,000 the number of molecules in a mole of a substance
• Avogadro's number (noun)
  1. approximately 602,250,000,000,000,000,000,000 the number of molecules in a mole of a substance
• Brinell number (noun)
  1. measure of the hardness of a material
• E number (noun)
  1. British English a number representing a chemical that has been added to a food, shown on the outside of a container
• Fibonacci number (noun)
  1. a number in the Fibonacci sequence
• Mach number (noun)
  1. the ratio of the speed of a moving body to the speed of sound
• National Insurance Number
  1. a special number given to each person in the UK as soon as they are old enough to work, so that they become part of the NATIONAL INSURANCE system. There is a similar system in the US, by which people are given a SOCIAL SECURITY NUMBER .
• Number 10
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• number among (phrasal verb)
  1. to be part of a particular group, or to include someone or something among a particular group
• number off (phrasal verb)
  1. to give each person in a group a number that is used for referring to them
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