Vicat apparatus

noun

Vi·​cat apparatus

(ˈ)vē¦kä-

: a device for determining the normal consistency and time of setting of portland cements that consists of a rod weighing 300 grams, having a needle in each end, and supported in a frame with a graduated scale to measure the distance to which the needle penetrates the cement

Word History

Etymology

after Louis J. Vicat †1861 French engineer

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