单词 | parallelometer |
释义 | ˌparalleˈlometer [f. as parallel + -ometer.] (See quot.)
1886Amer. Assoc. Adv. Sc., 35th Meeting 121 A gravity parallelometer; by J. A. Brashear,..devised to expedite measurements of deviation from parallelism in glass plates for optical purposes. |

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