monovalent

[Pref. mono-, and Lat. valens (gen it. valentis ), pa. par. of valeo =to hav strength or power.] (See the compound.) monovalent-element, s. Chem.: Monad. Univalent element. A term applied to those elements whose atom-fixing power is equal to that of one atom of hydrogen. mô-nox-y-lăn ( pl . mo-nox-y-la), s. [Greek monoxylos =made from a single piece of wood; monos alone, single, and xylon =wood.] A boat or canoe made of a single piece of timber.