Noun duration has 3 senses
  1. duration, continuance - the period of time during which something continues
    --1 is a kind of time period, period of time, period
    --1 has particulars:
     clocking; longueur; residence time; span; stretch, stint; time scale; value, time value, note value; rule
  2. duration, continuance - the property of enduring or continuing in time
    --2 is a kind of time
  3. duration, length - continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"
    --3 is a kind of temporal property
    --3 has particulars:
     longness; lengthiness, prolongation, continuation, protraction; endlessness; shortness; brevity, briefness, transience; permanence, permanency; impermanence, impermanency