from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Expressed by the square root; said of ratios.
from the GNU version of the Collaborative International Dictionary of English
- adj. Expressed by the square root; -- said of ratios.
from The Century Dictionary and Cyclopedia
- In mathematics, expressed by the square root: as, the subduplicate ratio of two quantities—that is, the ratio of their square roots.
sub- + duplicate (Wiktionary)