Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The act of expanding or enlarging or the state of being expanded or enlarged.
  • noun The condition of being abnormally expanded or enlarged, as of an organ, orifice, or tubular structure in the body.
  • noun A lengthy spoken or written discussion on a topic.

from The Century Dictionary.

  • noun Delay.
  • noun The act of dilating; expansion; dilatation

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of dilating, or the state of being dilated; expansion; dilatation.
  • noun obsolete Delay.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The act of dilating.
  • noun State of being dilated; expansion; dilatation.
  • noun Delay.

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

  • noun the act of expanding an aperture
  • noun a lengthy discussion (spoken or written) on a particular topic

Etymologies

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