from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. even; not odd; said of elementary substances and radicals whose valence is divisible by two without a remainder.
from the GNU version of the Collaborative International Dictionary of English
- adj. Even; not odd; -- said of elementary substances and of radicals the valence of which is divisible by two without a remainder.
from The Century Dictionary and Cyclopedia
- n. In chem., an atom whose quantivalence is expressed by an even number, as the atoms of sulphur, oxygen, etc. See perissad.
- n. In zoology, an even-toed ungulate quadruped; a cloven-footed ruminant animal; one of the Artiodactyla: opposed to perissad. See cut under Artiodactyla.
- In chem., having the nature of an artiad: as, oxygen is an artiad element.
- n. The Cynara Scolymus, a plant of the natural order Compositæ, somewhat resembling a thistle, with large divided prickly leaves.
Ancient Greek even. (Wiktionary)