profilograph

noun pro·fil·ograph \prōˈfiləˌgraf, -fīl-, -rȧf\

Definition of profilograph

  1. 1 :  an instrument borne on wheels for recording automatically the profile of the land over which it travels

  2. 2 :  an instrument for measuring smoothness of a surface (as of a metal casting) by amplification of the minute variations from the plane or arc of smoothness

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Origin and Etymology of profilograph

International Scientific Vocabulary 1profile + -o- + -graph; originally formed as French profilographe


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