from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To give or send out (matter or energy): isotopes that emit radioactive particles; a stove emitting heat.
  • transitive v. To give out as sound; utter: "She emitted her small strange laugh” ( Edith Wharton).
  • transitive v. To voice; express: emit an opinion.
  • transitive v. To issue with authority, especially to put (currency) into circulation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To send out or give off.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To send forth; to throw or give out; to cause to issue; to give vent to; to eject; to discharge
  • transitive v. To issue forth, as an order or decree; to print and send into circulation, as notes or bills of credit.

from The Century Dictionary and Cyclopedia

  • To send forth; throw or give out; vent: as, fire emits heat and smoke; boiling water emits steam; the sun and stars emit light.
  • To let fly; discharge; dart or shoot.
  • To issue, as an order or a decree; issue for circulation, as notes or bills of credit.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. express audibly; utter sounds (not necessarily words)
  • v. expel (gases or odors)
  • v. give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.


Latin ēmittere, to send out : ē-, ex-, ex- + mittere, to send.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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