from The Century Dictionary.

  • noun The act of prolonging, or lengthening in time or space: as, the prolongation of a line.
  • noun A part prolonged; an extension: as, the prolongation of a mountain-range.
  • noun Extension of time by delay or postponement.

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

  • noun The act of lengthening in space or in time; extension; protraction.
  • noun That which forms an additional length.

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

  • noun The act of prolonging.
  • noun That which has been prolonged; an extension.

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

  • noun amount or degree or range to which something extends
  • noun the act of prolonging something
  • noun the consequence of being lengthened in duration


from Wiktionary, Creative Commons Attribution/Share-Alike License

prolong +‎ -ation


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