Isologous
Pronunciation : I*sol"o*gous
Part of Speech : a.
Etymology : [Iso- + Gr. (Chem.)
Definition : Defn: Having similar proportions, similar relations, or similar differences of composition; -- said specifically of groups or series which differ by a constant difference; as, ethane, ethylene, an acetylene, or their analogous compounds, form an isologous series.
Source : Webster's Unabridged Dictionary, 1913