am Meaning, Definition & Usage

  1. noun a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
    atomic number 95; americium.
  2. noun a master's degree in arts and sciences
    Artium Magister; MA; Master of Arts.
  3. noun modulation of the amplitude of the (radio) carrier wave
    amplitude modulation.
  4. verb have the quality of being; (copula, used with an adjective or a predicate noun)
    • John is rich
    • This is not a good answer
  5. verb be identical to; be someone or something
    • The president of the company is John Smith
    • This is my house
  6. verb occupy a certain position or area; be somewhere
    • Where is my umbrella?" "The toolshed is in the back
    • What is behind this behavior?
  7. verb have an existence, be extant
    be; exist.
    • Is there a God?
  8. verb happen, occur, take place; this was during the visit to my parents' house"
    • I lost my wallet
    • There were two hundred people at his funeral
    • There was a lot of noise in the kitchen
  9. verb be identical or equivalent to
    be; equal.
    • One dollar equals 1,000 rubles these days!
  10. verb form or compose
    constitute; represent; be; comprise; make up.
    • This money is my only income
    • The stone wall was the backdrop for the performance
    • These constitute my entire belonging
    • The children made up the chorus
    • This sum represents my entire income for a year
    • These few men comprise his entire army
  11. verb work in a specific place, with a specific subject, or in a specific function
    be; follow.
    • He is a herpetologist
    • She is our resident philosopher
  12. verb represent, as of a character on stage
    embody; be; personify.
    • Derek Jacobi was Hamlet
  13. verb spend or use time
    • I may be an hour
  14. verb have life, be alive
    be; live.
    • Our great leader is no more
    • My grandfather lived until the end of war
  15. verb to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form
    • let her be
  16. verb be priced at
    be; cost.
    • These shoes cost $100


AS. am, eom, akin to Gothic im, Icel. em, Olr. am, Lith. esmi, L. sum., Gr. , Zend ahmi, Skr. asmi, fr. a root as to be. . See Are, and cf. Be, Was.
  1. The first person singular of the verb be, in the indicative mode, present tense. See Be.
    God said unto Moses, I am that am. Exod. iii. 14.

Webster 1913