Beck's scale
Related to Beck's scale: Beck's depression inventory
1. | A hydrometer scale on which the zero point corresponds to sp. gr. 1.00, and the 30°-point to sp. gr. 0.85. From these points the scale is extended both ways, all the degrees being of equal length. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.