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Accelerograph vs Indexphp - What's the difference?

accelerograph | indexphp |

accelerograph

English

Noun

(en noun)
  • (military) An apparatus for studying the combustion of powder in guns, etc.
  • (geology) An instrument used to record the acceleration of the ground during an earthquake.

    • See also

    sense 2. (wikipedia "accelerograph")

    indexphp

    Not English

    Indexphp has no English definition. It may be misspelled.