| 释义 |
vi·cat apparatus
\(ˈ)vē|kä-\ noun
Usage: usually capitalized V
Etymology: after Louis J. Vicat died 1861 French engineer
: 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 |