isentropicislandiso seismicisobarisobaric surfaceisobathisochroneisochrone mapisoclineisoclinicisogonalisogramisohyetisohyetal mapisolated footingisolated foundationisolated signalisolating jointisolating membraneisolatorisolineisomerisometricisomorphus substitutionisopiestic lineisopiestic surfaceisoplethisopluvial mapisopsophic indexisoscelesisoseismal linesisostaticisostatic lineisostayisothermisothermalisotropicisotropic reinforcementisotropic slabisotropic tensorisotropic tracerisotropicityisotropyisovelisthmusitemiterationiteration methoditerative methoditerative procedure
