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Duration vs Echometer - What's the difference?

duration | echometer |

As nouns the difference between duration and echometer

is that duration is an amount of time or a particular time interval while echometer is a graduated scale for measuring the duration of sounds and determining the relation of their intervals.

duration

English

Noun

(en noun)
  • An amount of time or a particular time interval.
  • The time taken for the current situation to end, especially the current war
    • Rationing will last at least for the duration .
  • (finance) A measure of the sensitivity of the price of a financial asset to changes in interest rates, computed for a simple bond as a weighted average of the maturities of the interest and principal payments associated with it.

    • See also

    * * (Bond duration) * dictionary.reference.com entry

    echometer

    English

    Noun

    (en noun)
  • A graduated scale for measuring the duration of sounds and determining the relation of their intervals.
    • (Webster 1913)